Q: What is the negative version of the number 15,431,139?
A: -15,431,139
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:
| 15,431,137 | 15,431,138 | 15,431,140 | 15,431,141 |
| -15,431,137 | -15,431,138 | -15,431,140 | -15,431,141 |