13331320113 has 16 divisors (see below), whose sum is σ = 19216320320. Its totient is φ = 8192218176.

The previous prime is 13331320087. The next prime is 13331320127. The reversal of 13331320113 is 31102313331.

It is not a de Polignac number, because 13331320113 - 2⁸ = 13331319857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13331320113.

It is not an unprimeable number, because it can be changed into a prime (13331320133) 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, 3158470 + ... + 3162687.

It is an arithmetic number, because the mean of its divisors is an integer number (1201020020).

Almost surely, 2^13331320113 is an apocalyptic number.

It is an amenable number.

13331320113 is a deficient number, since it is larger than the sum of its proper divisors (5885000207).

13331320113 is a wasteful number, since it uses less digits than its factorization.

13331320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6321216.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13331320113 its reverse (31102313331), we get a palindrome (44433633444).

The spelling of 13331320113 in words is "thirteen billion, three hundred thirty-one million, three hundred twenty thousand, one hundred thirteen".