57101431 has 2 divisors, whose sum is σ = 57101432. Its totient is φ = 57101430.

The previous prime is 57101423. The next prime is 57101477. The reversal of 57101431 is 13410175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57101431 - 2³ = 57101423 is a prime.

It is a super-2 number, since 2×57101431² = 6521146844495522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57101131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28550715 + 28550716.

It is an arithmetic number, because the mean of its divisors is an integer number (28550716).

Almost surely, 2^57101431 is an apocalyptic number.

57101431 is a deficient number, since it is larger than the sum of its proper divisors (1).

57101431 is an equidigital number, since it uses as much as digits as its factorization.

57101431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 57101431 is about 7556.5488815993. The cubic root of 57101431 is about 385.0782569880.

The spelling of 57101431 in words is "fifty-seven million, one hundred one thousand, four hundred thirty-one".