57312435431 has 2 divisors, whose sum is σ = 57312435432. Its totient is φ = 57312435430.

The previous prime is 57312435307. The next prime is 57312435443. The reversal of 57312435431 is 13453421375.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57312435431 is a prime.

It is a super-2 number, since 2×57312435431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57312435731) 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 as a sum of consecutive naturals, namely, 28656217715 + 28656217716.

It is an arithmetic number, because the mean of its divisors is an integer number (28656217716).

Almost surely, 2^57312435431 is an apocalyptic number.

57312435431 is a deficient number, since it is larger than the sum of its proper divisors (1).

57312435431 is an equidigital number, since it uses as much as digits as its factorization.

57312435431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 38.

The spelling of 57312435431 in words is "fifty-seven billion, three hundred twelve million, four hundred thirty-five thousand, four hundred thirty-one".