321112330 has 64 divisors (see below), whose sum is σ = 727937280. Its totient is φ = 99072000.

The previous prime is 321112241. The next prime is 321112387. The reversal of 321112330 is 33211123.

321112330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×321112330² = 206226256956057800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75706 + ... + 79834.

It is an arithmetic number, because the mean of its divisors is an integer number (11374020).

Almost surely, 2^321112330 is an apocalyptic number.

321112330 is an abundant number, since it is smaller than the sum of its proper divisors (406824950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321112330 is a wasteful number, since it uses less digits than its factorization.

321112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 321112330 is about 17919.6074175747. The cubic root of 321112330 is about 684.7819861375.

Adding to 321112330 its reverse (33211123), we get a palindrome (354323453).

The spelling of 321112330 in words is "three hundred twenty-one million, one hundred twelve thousand, three hundred thirty".