Q: What is the negative version of the number 31,220,780?
A: -31,220,780
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:
| 31,220,778 | 31,220,779 | 31,220,781 | 31,220,782 |
| -31,220,778 | -31,220,779 | -31,220,781 | -31,220,782 |