Q: What is the negative version of the number 31,131,109?
A: -31,131,109
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:
| 31,131,107 | 31,131,108 | 31,131,110 | 31,131,111 |
| -31,131,107 | -31,131,108 | -31,131,110 | -31,131,111 |