13331663313 has 16 divisors (see below), whose sum is σ = 18875436480. Its totient is φ = 8340847616.

The previous prime is 13331663297. The next prime is 13331663339. The reversal of 13331663313 is 31336613331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13331663313 - 2⁴ = 13331663297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13331663383) 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, 358968 + ... + 394361.

It is an arithmetic number, because the mean of its divisors is an integer number (1179714780).

Almost surely, 2^13331663313 is an apocalyptic number.

It is an amenable number.

13331663313 is a deficient number, since it is larger than the sum of its proper divisors (5543773167).

13331663313 is a wasteful number, since it uses less digits than its factorization.

13331663313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753696.

The product of its digits is 26244, while the sum is 33.

The spelling of 13331663313 in words is "thirteen billion, three hundred thirty-one million, six hundred sixty-three thousand, three hundred thirteen".