323321311221 has 16 divisors (see below), whose sum is σ = 432854876160. Its totient is φ = 214669436720.

The previous prime is 323321311219. The next prime is 323321311253. The reversal of 323321311221 is 122113123323.

It is a cyclic number.

It is not a de Polignac number, because 323321311221 - 2¹ = 323321311219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323321311191 and 323321311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323321311921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499156 + ... + 946466.

It is an arithmetic number, because the mean of its divisors is an integer number (27053429760).

Almost surely, 2^323321311221 is an apocalyptic number.

It is an amenable number.

323321311221 is a deficient number, since it is larger than the sum of its proper divisors (109533564939).

323321311221 is a wasteful number, since it uses less digits than its factorization.

323321311221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448296.

The product of its digits is 1296, while the sum is 24.

Adding to 323321311221 its reverse (122113123323), we get a palindrome (445434434544).

The spelling of 323321311221 in words is "three hundred twenty-three billion, three hundred twenty-one million, three hundred eleven thousand, two hundred twenty-one".