Q: What is the negative version of the number 31,691,145?
A: -31,691,145
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:
| 31,691,143 | 31,691,144 | 31,691,146 | 31,691,147 |
| -31,691,143 | -31,691,144 | -31,691,146 | -31,691,147 |