323301322013221 has 4 divisors (see below), whose sum is σ = 323382127146444. Its totient is φ = 323220516880000.

The previous prime is 323301322013179. The next prime is 323301322013231. The reversal of 323301322013221 is 122310223103323.

It is a happy number.

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 183715958122596 + 139585363890625 = 13554186^2 + 11814625^2 .

It is a cyclic number.

It is not a de Polignac number, because 323301322013221 - 2²³ = 323301313624613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323301322013221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323301322013231) 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, 40402560610 + ... + 40402568611.

It is an arithmetic number, because the mean of its divisors is an integer number (80845531786611).

Almost surely, 2^{323301322013221} is an apocalyptic number.

It is an amenable number.

323301322013221 is a deficient number, since it is larger than the sum of its proper divisors (80805133223).

323301322013221 is an equidigital number, since it uses as much as digits as its factorization.

323301322013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80805133222.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 323301322013221 its reverse (122310223103323), we get a palindrome (445611545116544).

The spelling of 323301322013221 in words is "three hundred twenty-three trillion, three hundred one billion, three hundred twenty-two million, thirteen thousand, two hundred twenty-one".