Q: What is the negative version of the number 31,121,309?
A: -31,121,309
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:
| 31,121,307 | 31,121,308 | 31,121,310 | 31,121,311 |
| -31,121,307 | -31,121,308 | -31,121,310 | -31,121,311 |