3131202004 has 24 divisors (see below), whose sum is σ = 6264547520. Its totient is φ = 1341484416.

The previous prime is 3131201981. The next prime is 3131202023. The reversal of 3131202004 is 4002021313.

It is a happy number.

3131202004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71692 + ... + 106780.

Almost surely, 2^3131202004 is an apocalyptic number.

It is an amenable number.

3131202004 is an abundant number, since it is smaller than the sum of its proper divisors (3133345516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131202004 is a wasteful number, since it uses less digits than its factorization.

3131202004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38287 (or 38285 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3131202004 is about 55957.1443517269. The cubic root of 3131202004 is about 1462.9754176885.

Adding to 3131202004 its reverse (4002021313), we get a palindrome (7133223317).

The spelling of 3131202004 in words is "three billion, one hundred thirty-one million, two hundred two thousand, four".