321033013213 has 16 divisors (see below), whose sum is σ = 362242887552. Its totient is φ = 281965536000.

The previous prime is 321033013183. The next prime is 321033013219. The reversal of 321033013213 is 312310330123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321033013213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321033013219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3409008 + ... + 3501913.

It is an arithmetic number, because the mean of its divisors is an integer number (22640180472).

Almost surely, 2^321033013213 is an apocalyptic number.

It is an amenable number.

321033013213 is a deficient number, since it is larger than the sum of its proper divisors (41209874339).

321033013213 is a wasteful number, since it uses less digits than its factorization.

321033013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6911076.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 321033013213 its reverse (312310330123), we get a palindrome (633343343336).

The spelling of 321033013213 in words is "three hundred twenty-one billion, thirty-three million, thirteen thousand, two hundred thirteen".