I am using kubernetes and run one service. Service is running and is showing in service. But i am not able to access it from the public ip of the instance. Below is my deployment file.

apiVersion: v1
kind: Service
metadata:
  name: apache-service
spec:
  selector:
    app: apache
  ports:
  - protocol: TCP
    port: 80
    targetPort: 80
  type: NodePort

---
apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
kind: Deployment
metadata:
  name: apache-deployment
spec:
  selector:
    matchLabels:
      app: apache
  replicas: 2 # tells deployment to run 2 pods matching the template
  template:
    metadata:
      labels:
        app: apache
    spec:
      containers:
      - name: apache
        image: mobingi/ubuntu-apache2-php7:7.2
        ports:
        - containerPort: 80

Here is my list of service.

NAME             TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)        AGE
apache-service   NodePort    10.106.242.181   <none>        80:31807/TCP   9m5s
kubernetes       ClusterIP   10.96.0.1        <none>        443/TCP        11m

But when i check the same service from the follwing telnet with the public ip of cluster and node. It is not responding.

telnet public-ip:31807

Any type of help will be appreciable.