321322113 has 32 divisors (see below), whose sum is σ = 545310720. Its totient is φ = 183183120.

The previous prime is 321322031. The next prime is 321322123. The reversal of 321322113 is 311223123.

It is not a de Polignac number, because 321322113 - 2⁹ = 321321601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321322123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90298 + ... + 93788.

It is an arithmetic number, because the mean of its divisors is an integer number (17040960).

Almost surely, 2^321322113 is an apocalyptic number.

It is an amenable number.

321322113 is a deficient number, since it is larger than the sum of its proper divisors (223988607).

321322113 is a wasteful number, since it uses less digits than its factorization.

321322113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994 (or 3988 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 321322113 is about 17925.4599104179. The cubic root of 321322113 is about 684.9310765895.

Adding to 321322113 its reverse (311223123), we get a palindrome (632545236).

The spelling of 321322113 in words is "three hundred twenty-one million, three hundred twenty-two thousand, one hundred thirteen".