323312232113221 has 8 divisors (see below), whose sum is σ = 348183250523640. Its totient is φ = 298441334661312.

The previous prime is 323312232113219. The next prime is 323312232113251. The reversal of 323312232113221 is 122311232213323.

It can be written as a sum of positive squares in 4 ways, for example, as 39775095562500 + 283537136550721 = 6306750^2 + 16838561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323312232113221 - 2¹ = 323312232113219 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 (323312232113251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24649906 + ... + 35415283.

It is an arithmetic number, because the mean of its divisors is an integer number (43522906315455).

Almost surely, 2^{323312232113221} is an apocalyptic number.

It is an amenable number.

323312232113221 is a deficient number, since it is larger than the sum of its proper divisors (24871018410419).

323312232113221 is a wasteful number, since it uses less digits than its factorization.

323312232113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60479255.

The product of its digits is 15552, while the sum is 31.

Adding to 323312232113221 its reverse (122311232213323), we get a palindrome (445623464326544).

The spelling of 323312232113221 in words is "three hundred twenty-three trillion, three hundred twelve billion, two hundred thirty-two million, one hundred thirteen thousand, two hundred twenty-one".