Q: What is the negative version of the number 31,505,691?
A: -31,505,691
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:
| 31,505,689 | 31,505,690 | 31,505,692 | 31,505,693 |
| -31,505,689 | -31,505,690 | -31,505,692 | -31,505,693 |