231342304 has 24 divisors (see below), whose sum is σ = 463178520. Its totient is φ = 113709696.

The previous prime is 231342289. The next prime is 231342323. The reversal of 231342304 is 403243132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59379 + ... + 63154.

It is an arithmetic number, because the mean of its divisors is an integer number (19299105).

Almost surely, 2^231342304 is an apocalyptic number.

It is an amenable number.

231342304 is an abundant number, since it is smaller than the sum of its proper divisors (231836216).

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

231342304 is a wasteful number, since it uses less digits than its factorization.

231342304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122602 (or 122594 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 231342304 is about 15209.9409597802. The cubic root of 231342304 is about 613.8821688886.

Adding to 231342304 its reverse (403243132), we get a palindrome (634585436).

The spelling of 231342304 in words is "two hundred thirty-one million, three hundred forty-two thousand, three hundred four".