13104304311321 has 16 divisors (see below), whose sum is σ = 19418725473600. Its totient is φ = 8733979285344.

The previous prime is 13104304311317. The next prime is 13104304311353. The reversal of 13104304311321 is 12311340340131.

13104304311321 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 4 + 304 + 31 + 1 + 321 = 666.

It is not a de Polignac number, because 13104304311321 - 2² = 13104304311317 is a prime.

It is a super-2 number, since 2×13104304311321² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13104304311421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61658311 + ... + 61870476.

It is an arithmetic number, because the mean of its divisors is an integer number (1213670342100).

Almost surely, 2^{13104304311321} is an apocalyptic number.

It is an amenable number.

13104304311321 is a deficient number, since it is larger than the sum of its proper divisors (6314421162279).

13104304311321 is a wasteful number, since it uses less digits than its factorization.

13104304311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123532725 (or 123532719 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 13104304311321 its reverse (12311340340131), we get a palindrome (25415644651452).

The spelling of 13104304311321 in words is "thirteen trillion, one hundred four billion, three hundred four million, three hundred eleven thousand, three hundred twenty-one".