Q: What is the negative version of the number 31,121,399?
A: -31,121,399
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:
| 31,121,397 | 31,121,398 | 31,121,400 | 31,121,401 |
| -31,121,397 | -31,121,398 | -31,121,400 | -31,121,401 |