57431173731 has 16 divisors (see below), whose sum is σ = 77123904000. Its totient is φ = 38013180768.

The previous prime is 57431173697. The next prime is 57431173747. The reversal of 57431173731 is 13737113475.

It is not a de Polignac number, because 57431173731 - 2⁷ = 57431173603 is a prime.

It is a super-2 number, since 2×57431173731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57431173771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994200 + ... + 1050378.

It is an arithmetic number, because the mean of its divisors is an integer number (4820244000).

Almost surely, 2^57431173731 is an apocalyptic number.

57431173731 is a deficient number, since it is larger than the sum of its proper divisors (19692730269).

57431173731 is a wasteful number, since it uses less digits than its factorization.

57431173731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58618.

The product of its digits is 185220, while the sum is 42.

The spelling of 57431173731 in words is "fifty-seven billion, four hundred thirty-one million, one hundred seventy-three thousand, seven hundred thirty-one".