Q: What is the negative version of the number 31,421,440?
A: -31,421,440
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:
| 31,421,438 | 31,421,439 | 31,421,441 | 31,421,442 |
| -31,421,438 | -31,421,439 | -31,421,441 | -31,421,442 |