56316021022431 has 12 divisors (see below), whose sum is σ = 81346059774720. Its totient is φ = 37543692749280.

The previous prime is 56316021022319. The next prime is 56316021022447. The reversal of 56316021022431 is 13422012061365.

56316021022431 is a `hidden beast` number, since 5 + 6 + 3 + 1 + 6 + 0 + 210 + 2 + 2 + 431 = 666.

It is not a de Polignac number, because 56316021022431 - 2¹¹ = 56316021020383 is a prime.

It is a super-2 number, since 2×56316021022431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56316021022231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25659510 + ... + 27767651.

It is an arithmetic number, because the mean of its divisors is an integer number (6778838314560).

Almost surely, 2^{56316021022431} is an apocalyptic number.

56316021022431 is a deficient number, since it is larger than the sum of its proper divisors (25030038752289).

56316021022431 is a wasteful number, since it uses less digits than its factorization.

56316021022431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53544286 (or 53544283 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 56316021022431 its reverse (13422012061365), we get a palindrome (69738033083796).

The spelling of 56316021022431 in words is "fifty-six trillion, three hundred sixteen billion, twenty-one million, twenty-two thousand, four hundred thirty-one".