13312321134321 has 16 divisors (see below), whose sum is σ = 19366892598528. Its totient is φ = 8066608246800.

The previous prime is 13312321134289. The next prime is 13312321134347. The reversal of 13312321134321 is 12343112321331.

It is not a de Polignac number, because 13312321134321 - 2⁵ = 13312321134289 is a prime.

It is a super-2 number, since 2×13312321134321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13312321134361) 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, 36444715 + ... + 36808176.

It is an arithmetic number, because the mean of its divisors is an integer number (1210430787408).

Almost surely, 2^{13312321134321} is an apocalyptic number.

13312321134321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13312321134321 is a deficient number, since it is larger than the sum of its proper divisors (6054571464207).

13312321134321 is a wasteful number, since it uses less digits than its factorization.

13312321134321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73258412.

The product of its digits is 7776, while the sum is 30.

Adding to 13312321134321 its reverse (12343112321331), we get a palindrome (25655433455652).

The spelling of 13312321134321 in words is "thirteen trillion, three hundred twelve billion, three hundred twenty-one million, one hundred thirty-four thousand, three hundred twenty-one".