13000112331 has 4 divisors (see below), whose sum is σ = 17333483112. Its totient is φ = 8666741552.

The previous prime is 13000112327. The next prime is 13000112383. The reversal of 13000112331 is 13321100031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13000112331 - 2² = 13000112327 is a prime.

It is a super-2 number, since 2×13000112331² (a number of 21 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 13000112331.

It is not an unprimeable number, because it can be changed into a prime (13000112231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2166685386 + ... + 2166685391.

It is an arithmetic number, because the mean of its divisors is an integer number (4333370778).

Almost surely, 2^13000112331 is an apocalyptic number.

13000112331 is a deficient number, since it is larger than the sum of its proper divisors (4333370781).

13000112331 is an equidigital number, since it uses as much as digits as its factorization.

13000112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333370780.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13000112331 its reverse (13321100031), we get a palindrome (26321212362).

The spelling of 13000112331 in words is "thirteen billion, one hundred twelve thousand, three hundred thirty-one".