231304230 has 24 divisors (see below), whose sum is σ = 601391232. Its totient is φ = 61681104.

The previous prime is 231304219. The next prime is 231304273. The reversal of 231304230 is 32403132.

231304230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1284934 + ... + 1285113.

It is an arithmetic number, because the mean of its divisors is an integer number (25057968).

Almost surely, 2^231304230 is an apocalyptic number.

231304230 is an abundant number, since it is smaller than the sum of its proper divisors (370087002).

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

231304230 is a wasteful number, since it uses less digits than its factorization.

231304230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570060 (or 2570057 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 231304230 is about 15208.6892926379. The cubic root of 231304230 is about 613.8484897450.

Adding to 231304230 its reverse (32403132), we get a palindrome (263707362).

The spelling of 231304230 in words is "two hundred thirty-one million, three hundred four thousand, two hundred thirty".