11456312631 has 16 divisors (see below), whose sum is σ = 16177190400. Its totient is φ = 7186686848.

The previous prime is 11456312531. The next prime is 11456312633. The reversal of 11456312631 is 13621365411.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11456312631 is a prime.

It is a super-2 number, since 2×11456312631² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11456312592 and 11456312601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11456312633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234700 + ... + 279278.

It is an arithmetic number, because the mean of its divisors is an integer number (1011074400).

Almost surely, 2^11456312631 is an apocalyptic number.

11456312631 is a deficient number, since it is larger than the sum of its proper divisors (4720877769).

11456312631 is a wasteful number, since it uses less digits than its factorization.

11456312631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49638.

The product of its digits is 12960, while the sum is 33.

The spelling of 11456312631 in words is "eleven billion, four hundred fifty-six million, three hundred twelve thousand, six hundred thirty-one".