Q: What is the negative version of the number 31,439,139?
A: -31,439,139
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:
| 31,439,137 | 31,439,138 | 31,439,140 | 31,439,141 |
| -31,439,137 | -31,439,138 | -31,439,140 | -31,439,141 |