The sum of $34 + 31$ is $65$.

Would you like more details or have any questions?

Here are five related questions:

1. What is $65 + 27$?
2. How do you subtract $31$ from $65$?
3. What is the result of $34 \times 31$?
4. How would you divide $65$ by $5$?
5. What is $34$ plus $31$ plus $40$?

Tip: To quickly check your addition, you can reverse the digits (e.g., 34 becomes 43) and see if the reverse addition equals the reverse of the original sum.