321013331313 has 24 divisors (see below), whose sum is σ = 437864861280. Its totient is φ = 209193736320.

The previous prime is 321013331299. The next prime is 321013331413. The reversal of 321013331313 is 313133310123.

It is not a de Polignac number, because 321013331313 - 2⁹ = 321013330801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321013331213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5344633 + ... + 5404361.

It is an arithmetic number, because the mean of its divisors is an integer number (18244369220).

Almost surely, 2^321013331313 is an apocalyptic number.

It is an amenable number.

321013331313 is a deficient number, since it is larger than the sum of its proper divisors (116851529967).

321013331313 is an equidigital number, since it uses as much as digits as its factorization.

321013331313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60637 (or 60590 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 321013331313 its reverse (313133310123), we get a palindrome (634146641436).

The spelling of 321013331313 in words is "three hundred twenty-one billion, thirteen million, three hundred thirty-one thousand, three hundred thirteen".