321322521313 has 8 divisors (see below), whose sum is σ = 331713278720. Its totient is φ = 310933358640.

The previous prime is 321322521307. The next prime is 321322521319. The reversal of 321322521313 is 313125223123.

It is an interprime number because it is at equal distance from previous prime (321322521307) and next prime (321322521319).

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 321322521313 - 2⁵ = 321322521281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321322521319) 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, 17731 + ... + 801847.

It is an arithmetic number, because the mean of its divisors is an integer number (41464159840).

Almost surely, 2^321322521313 is an apocalyptic number.

It is an amenable number.

321322521313 is a deficient number, since it is larger than the sum of its proper divisors (10390757407).

321322521313 is a wasteful number, since it uses less digits than its factorization.

321322521313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797367.

The product of its digits is 6480, while the sum is 28.

Adding to 321322521313 its reverse (313125223123), we get a palindrome (634447744436).

The spelling of 321322521313 in words is "three hundred twenty-one billion, three hundred twenty-two million, five hundred twenty-one thousand, three hundred thirteen".