230031321 has 16 divisors (see below), whose sum is σ = 330851136. Its totient is φ = 141322176.

The previous prime is 230031313. The next prime is 230031341. The reversal of 230031321 is 123130032.

It is not a de Polignac number, because 230031321 - 2³ = 230031313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230031321.

It is not an unprimeable number, because it can be changed into a prime (230031341) 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, 20491 + ... + 29663.

It is an arithmetic number, because the mean of its divisors is an integer number (20678196).

Almost surely, 2^230031321 is an apocalyptic number.

It is an amenable number.

230031321 is a deficient number, since it is larger than the sum of its proper divisors (100819815).

230031321 is a wasteful number, since it uses less digits than its factorization.

230031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9832.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 230031321 is about 15166.7834757407. The cubic root of 230031321 is about 612.7203780632.

Adding to 230031321 its reverse (123130032), we get a palindrome (353161353).

The spelling of 230031321 in words is "two hundred thirty million, thirty-one thousand, three hundred twenty-one".