57713131 has 24 divisors (see below), whose sum is σ = 69587424. Its totient is φ = 47698560.

The previous prime is 57713119. The next prime is 57713167. The reversal of 57713131 is 13131775.

It is not a de Polignac number, because 57713131 - 2⁵ = 57713099 is a prime.

It is a super-2 number, since 2×57713131² = 6661610979646322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57713131.

It is not an unprimeable number, because it can be changed into a prime (57713111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184231 + ... + 184543.

It is an arithmetic number, because the mean of its divisors is an integer number (2899476).

Almost surely, 2^57713131 is an apocalyptic number.

57713131 is a deficient number, since it is larger than the sum of its proper divisors (11874293).

57713131 is a wasteful number, since it uses less digits than its factorization.

57713131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 444 counting only the distinct ones).

The product of its digits is 2205, while the sum is 28.

The square root of 57713131 is about 7596.9158873848. The cubic root of 57713131 is about 386.4484282577.

The spelling of 57713131 in words is "fifty-seven million, seven hundred thirteen thousand, one hundred thirty-one".