13321134321 has 32 divisors (see below), whose sum is σ = 19757416320. Its totient is φ = 7914816000.

The previous prime is 13321134317. The next prime is 13321134347. The reversal of 13321134321 is 12343112331.

It is not a de Polignac number, because 13321134321 - 2² = 13321134317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13321134291 and 13321134300.

It is not an unprimeable number, because it can be changed into a prime (13321134301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3147835 + ... + 3152063.

It is an arithmetic number, because the mean of its divisors is an integer number (617419260).

Almost surely, 2^13321134321 is an apocalyptic number.

13321134321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13321134321 is a deficient number, since it is larger than the sum of its proper divisors (6436281999).

13321134321 is a wasteful number, since it uses less digits than its factorization.

13321134321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6097.

The product of its digits is 1296, while the sum is 24.

Adding to 13321134321 its reverse (12343112331), we get a palindrome (25664246652).

The spelling of 13321134321 in words is "thirteen billion, three hundred twenty-one million, one hundred thirty-four thousand, three hundred twenty-one".