13115675631 has 8 divisors (see below), whose sum is σ = 17489523760. Its totient is φ = 8742805632.

The previous prime is 13115675611. The next prime is 13115675707. The reversal of 13115675631 is 13657651131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13115675631 - 2⁶ = 13115675567 is a prime.

It is a super-2 number, since 2×13115675631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13115675631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13115675611) 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 in 7 ways as a sum of consecutive naturals, for example, 212650 + ... + 267303.

It is an arithmetic number, because the mean of its divisors is an integer number (2186190470).

Almost surely, 2^13115675631 is an apocalyptic number.

13115675631 is a deficient number, since it is larger than the sum of its proper divisors (4373848129).

13115675631 is an equidigital number, since it uses as much as digits as its factorization.

13115675631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489065.

The product of its digits is 56700, while the sum is 39.

The spelling of 13115675631 in words is "thirteen billion, one hundred fifteen million, six hundred seventy-five thousand, six hundred thirty-one".