320013322132321 has 8 divisors (see below), whose sum is σ = 327457409532704. Its totient is φ = 312569321873760.

The previous prime is 320013322132307. The next prime is 320013322132349. The reversal of 320013322132321 is 123231223310023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320013322132321 - 2⁵ = 320013322132289 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 320013322132321.

It is not an unprimeable number, because it can be changed into a prime (320013322732321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14326011 + ... + 29073376.

It is an arithmetic number, because the mean of its divisors is an integer number (40932176191588).

Almost surely, 2^{320013322132321} is an apocalyptic number.

It is an amenable number.

320013322132321 is a deficient number, since it is larger than the sum of its proper divisors (7444087400383).

320013322132321 is a wasteful number, since it uses less digits than its factorization.

320013322132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43570911.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 320013322132321 its reverse (123231223310023), we get a palindrome (443244545442344).

The spelling of 320013322132321 in words is "three hundred twenty trillion, thirteen billion, three hundred twenty-two million, one hundred thirty-two thousand, three hundred twenty-one".