13313333312321 has 16 divisors (see below), whose sum is σ = 15527362435200. Its totient is φ = 11178030958848.

The previous prime is 13313333312309. The next prime is 13313333312341. The reversal of 13313333312321 is 12321333331331.

It is a cyclic number.

It is not a de Polignac number, because 13313333312321 - 2³⁸ = 13038455405377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13313333312341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28756616 + ... + 29215913.

It is an arithmetic number, because the mean of its divisors is an integer number (970460152200).

Almost surely, 2^{13313333312321} is an apocalyptic number.

It is an amenable number.

13313333312321 is a deficient number, since it is larger than the sum of its proper divisors (2214029122879).

13313333312321 is an equidigital number, since it uses as much as digits as its factorization.

13313333312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57973208.

The product of its digits is 26244, while the sum is 32.

Adding to 13313333312321 its reverse (12321333331331), we get a palindrome (25634666643652).

The spelling of 13313333312321 in words is "thirteen trillion, three hundred thirteen billion, three hundred thirty-three million, three hundred twelve thousand, three hundred twenty-one".