3131879904 has 120 divisors (see below), whose sum is σ = 9508137408. Its totient is φ = 1010257920.

The previous prime is 3131879899. The next prime is 3131879917. The reversal of 3131879904 is 4099781313.

3131879904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3131879904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60864 + ... + 99840.

Almost surely, 2^3131879904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131879904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4754068704).

3131879904 is an abundant number, since it is smaller than the sum of its proper divisors (6376257504).

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

3131879904 is a wasteful number, since it uses less digits than its factorization.

3131879904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39030 (or 39013 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 3131879904 is about 55963.2013380221. The cubic root of 3131879904 is about 1463.0809873145.

The spelling of 3131879904 in words is "three billion, one hundred thirty-one million, eight hundred seventy-nine thousand, nine hundred four".