Q: What is the negative version of the number 31,215,400?
A: -31,215,400
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 31,215,398 | 31,215,399 | 31,215,401 | 31,215,402 |
| -31,215,398 | -31,215,399 | -31,215,401 | -31,215,402 |