Q: What is the negative version of the number 31,391,192?
A: -31,391,192
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:
| 31,391,190 | 31,391,191 | 31,391,193 | 31,391,194 |
| -31,391,190 | -31,391,191 | -31,391,193 | -31,391,194 |