56307799031 has 6 divisors (see below), whose sum is σ = 61892043696. Its totient is φ = 51188908100.

The previous prime is 56307799021. The next prime is 56307799039. The reversal of 56307799031 is 13099770365.

It is a de Polignac number, because none of the positive numbers 2^k-56307799031 is a prime.

It is a super-2 number, since 2×56307799031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56307799039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 232676735 + ... + 232676976.

It is an arithmetic number, because the mean of its divisors is an integer number (10315340616).

Almost surely, 2^56307799031 is an apocalyptic number.

56307799031 is a deficient number, since it is larger than the sum of its proper divisors (5584244665).

56307799031 is a wasteful number, since it uses less digits than its factorization.

56307799031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465353733 (or 465353722 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 50.

The spelling of 56307799031 in words is "fifty-six billion, three hundred seven million, seven hundred ninety-nine thousand, thirty-one".