57643231131 has 12 divisors (see below), whose sum is σ = 83341680760. Its totient is φ = 38392250400.

The previous prime is 57643231123. The next prime is 57643231141. The reversal of 57643231131 is 13113234675.

57643231131 is a `hidden beast` number, since 5 + 7 + 643 + 2 + 3 + 1 + 1 + 3 + 1 = 666.

It is not a de Polignac number, because 57643231131 - 2³ = 57643231123 is a prime.

It is a super-2 number, since 2×57643231131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57643231141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3037546 + ... + 3056463.

Almost surely, 2^57643231131 is an apocalyptic number.

57643231131 is a deficient number, since it is larger than the sum of its proper divisors (25698449629).

57643231131 is a wasteful number, since it uses less digits than its factorization.

57643231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095066 (or 6095063 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The spelling of 57643231131 in words is "fifty-seven billion, six hundred forty-three million, two hundred thirty-one thousand, one hundred thirty-one".