13023132331321 has 32 divisors (see below), whose sum is σ = 15341339566080. Its totient is φ = 10823795470656.

The previous prime is 13023132331309. The next prime is 13023132331381. The reversal of 13023132331321 is 12313323132031.

It is a happy number.

It is not a de Polignac number, because 13023132331321 - 2⁵ = 13023132331289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13023132331321.

It is not an unprimeable number, because it can be changed into a prime (13023132331381) 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, 571003300 + ... + 571026106.

It is an arithmetic number, because the mean of its divisors is an integer number (479416861440).

Almost surely, 2^{13023132331321} is an apocalyptic number.

It is an amenable number.

13023132331321 is a deficient number, since it is larger than the sum of its proper divisors (2318207234759).

13023132331321 is a wasteful number, since it uses less digits than its factorization.

13023132331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38893.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 13023132331321 its reverse (12313323132031), we get a palindrome (25336455463352).

The spelling of 13023132331321 in words is "thirteen trillion, twenty-three billion, one hundred thirty-two million, three hundred thirty-one thousand, three hundred twenty-one".