Q: What is the negative version of the number 31,215,121?
A: -31,215,121
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:
| 31,215,119 | 31,215,120 | 31,215,122 | 31,215,123 |
| -31,215,119 | -31,215,120 | -31,215,122 | -31,215,123 |