3221332321013 has 4 divisors (see below), whose sum is σ = 3229968601068. Its totient is φ = 3212696040960.

The previous prime is 3221332320919. The next prime is 3221332321019. The reversal of 3221332321013 is 3101232331223.

3221332321013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1860558744529 + 1360773576484 = 1364023^2 + 1166522^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221332321013 - 2²⁶ = 3221265212149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221332321019) 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 3 ways as a sum of consecutive naturals, for example, 4318139468 + ... + 4318140213.

It is an arithmetic number, because the mean of its divisors is an integer number (807492150267).

Almost surely, 2^{3221332321013} is an apocalyptic number.

It is an amenable number.

3221332321013 is a deficient number, since it is larger than the sum of its proper divisors (8636280055).

3221332321013 is an equidigital number, since it uses as much as digits as its factorization.

3221332321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8636280054.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 3221332321013 its reverse (3101232331223), we get a palindrome (6322564652236).

The spelling of 3221332321013 in words is "three trillion, two hundred twenty-one billion, three hundred thirty-two million, three hundred twenty-one thousand, thirteen".