Q: What is the negative version of the number 31,221,406?
A: -31,221,406
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:
| 31,221,404 | 31,221,405 | 31,221,407 | 31,221,408 |
| -31,221,404 | -31,221,405 | -31,221,407 | -31,221,408 |