230331321 has 12 divisors (see below), whose sum is σ = 362946480. Its totient is φ = 139594680.

The previous prime is 230331289. The next prime is 230331341. The reversal of 230331321 is 123133032.

It is not a de Polignac number, because 230331321 - 2⁵ = 230331289 is a prime.

It is a super-3 number, since 3×230331321³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230331294 and 230331303.

It is not an unprimeable number, because it can be changed into a prime (230331341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1163191 + ... + 1163388.

It is an arithmetic number, because the mean of its divisors is an integer number (30245540).

Almost surely, 2^230331321 is an apocalyptic number.

It is an amenable number.

230331321 is a deficient number, since it is larger than the sum of its proper divisors (132615159).

230331321 is a wasteful number, since it uses less digits than its factorization.

230331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326596 (or 2326593 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 230331321 is about 15176.6702869898. The cubic root of 230331321 is about 612.9866262439.

Adding to 230331321 its reverse (123133032), we get a palindrome (353464353).

The spelling of 230331321 in words is "two hundred thirty million, three hundred thirty-one thousand, three hundred twenty-one".