323044021313221 has 32 divisors (see below), whose sum is σ = 384036131888640. Its totient is φ = 268954596578304.

The previous prime is 323044021313213. The next prime is 323044021313239. The reversal of 323044021313221 is 122313120440323.

It is not a de Polignac number, because 323044021313221 - 2³ = 323044021313213 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 (323044021383221) 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 31 ways as a sum of consecutive naturals, for example, 320193501 + ... + 321200818.

It is an arithmetic number, because the mean of its divisors is an integer number (12001129121520).

Almost surely, 2^{323044021313221} is an apocalyptic number.

It is an amenable number.

323044021313221 is a deficient number, since it is larger than the sum of its proper divisors (60992110575419).

323044021313221 is a wasteful number, since it uses less digits than its factorization.

323044021313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641394445.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 323044021313221 its reverse (122313120440323), we get a palindrome (445357141753544).

The spelling of 323044021313221 in words is "three hundred twenty-three trillion, forty-four billion, twenty-one million, three hundred thirteen thousand, two hundred twenty-one".