3131564142 has 32 divisors (see below), whose sum is σ = 7164179712. Its totient is φ = 893942784.

The previous prime is 3131564131. The next prime is 3131564167. The reversal of 3131564142 is 2414651313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16093 + ... + 80759.

It is an arithmetic number, because the mean of its divisors is an integer number (223880616).

Almost surely, 2^3131564142 is an apocalyptic number.

3131564142 is an abundant number, since it is smaller than the sum of its proper divisors (4032615570).

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

3131564142 is a wasteful number, since it uses less digits than its factorization.

3131564142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65832.

The product of its digits is 8640, while the sum is 30.

The square root of 3131564142 is about 55960.3801095025. The cubic root of 3131564142 is about 1463.0318154731.

The spelling of 3131564142 in words is "three billion, one hundred thirty-one million, five hundred sixty-four thousand, one hundred forty-two".