13120113032321 has 4 divisors (see below), whose sum is σ = 13810645297200. Its totient is φ = 12429580767444.

The previous prime is 13120113032309. The next prime is 13120113032333. The reversal of 13120113032321 is 12323031102131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13120113032309) and next prime (13120113032333).

It is a cyclic number.

It is not a de Polignac number, because 13120113032321 - 2³⁸ = 12845235125377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13120113022321) 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, 345266132411 + ... + 345266132448.

It is an arithmetic number, because the mean of its divisors is an integer number (3452661324300).

Almost surely, 2^{13120113032321} is an apocalyptic number.

It is an amenable number.

13120113032321 is a deficient number, since it is larger than the sum of its proper divisors (690532264879).

13120113032321 is an equidigital number, since it uses as much as digits as its factorization.

13120113032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690532264878.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13120113032321 its reverse (12323031102131), we get a palindrome (25443144134452).

The spelling of 13120113032321 in words is "thirteen trillion, one hundred twenty billion, one hundred thirteen million, thirty-two thousand, three hundred twenty-one".