2256324361131 has 32 divisors (see below), whose sum is σ = 3123768872448. Its totient is φ = 1447601864960.

The previous prime is 2256324361129. The next prime is 2256324361139. The reversal of 2256324361131 is 1311634236522.

It is not a de Polignac number, because 2256324361131 - 2¹ = 2256324361129 is a prime.

It is a super-2 number, since 2×2256324361131² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2256324361131.

It is not an unprimeable number, because it can be changed into a prime (2256324361139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6434425 + ... + 6776021.

It is an arithmetic number, because the mean of its divisors is an integer number (97617777264).

Almost surely, 2^{2256324361131} is an apocalyptic number.

2256324361131 is a deficient number, since it is larger than the sum of its proper divisors (867444511317).

2256324361131 is a wasteful number, since it uses less digits than its factorization.

2256324361131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342371.

The product of its digits is 155520, while the sum is 39.

Adding to 2256324361131 its reverse (1311634236522), we get a palindrome (3567958597653).

The spelling of 2256324361131 in words is "two trillion, two hundred fifty-six billion, three hundred twenty-four million, three hundred sixty-one thousand, one hundred thirty-one".