321330123313 has 4 divisors (see below), whose sum is σ = 321406290160. Its totient is φ = 321253956468.

The previous prime is 321330123281. The next prime is 321330123329. The reversal of 321330123313 is 313321033123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321330123313 - 2⁵ = 321330123281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321330123353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38077095 + ... + 38085532.

It is an arithmetic number, because the mean of its divisors is an integer number (80351572540).

Almost surely, 2^321330123313 is an apocalyptic number.

It is an amenable number.

321330123313 is a deficient number, since it is larger than the sum of its proper divisors (76166847).

321330123313 is an equidigital number, since it uses as much as digits as its factorization.

321330123313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76166846.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 321330123313 its reverse (313321033123), we get a palindrome (634651156436).

The spelling of 321330123313 in words is "three hundred twenty-one billion, three hundred thirty million, one hundred twenty-three thousand, three hundred thirteen".