57205452831231 has 64 divisors (see below), whose sum is σ = 80417285543808. Its totient is φ = 36130816770048.

The previous prime is 57205452831229. The next prime is 57205452831281. The reversal of 57205452831231 is 13213825450275.

It is a happy number.

It is not a de Polignac number, because 57205452831231 - 2¹ = 57205452831229 is a prime.

It is a super-4 number, since 4×57205452831231⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57205452831221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4220863351 + ... + 4220876903.

It is an arithmetic number, because the mean of its divisors is an integer number (1256520086622).

Almost surely, 2^{57205452831231} is an apocalyptic number.

57205452831231 is a deficient number, since it is larger than the sum of its proper divisors (23211832712577).

57205452831231 is a wasteful number, since it uses less digits than its factorization.

57205452831231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19020.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 57205452831231 in words is "fifty-seven trillion, two hundred five billion, four hundred fifty-two million, eight hundred thirty-one thousand, two hundred thirty-one".