231240304 has 10 divisors (see below), whose sum is σ = 448028120. Its totient is φ = 115620144.

The previous prime is 231240281. The next prime is 231240311. The reversal of 231240304 is 403042132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7226244 + ... + 7226275.

It is an arithmetic number, because the mean of its divisors is an integer number (44802812).

Almost surely, 2^231240304 is an apocalyptic number.

It is an amenable number.

231240304 is a deficient number, since it is larger than the sum of its proper divisors (216787816).

231240304 is a wasteful number, since it uses less digits than its factorization.

231240304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14452527 (or 14452521 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 231240304 is about 15206.5875198876. The cubic root of 231240304 is about 613.7919343675.

Adding to 231240304 its reverse (403042132), we get a palindrome (634282436).

The spelling of 231240304 in words is "two hundred thirty-one million, two hundred forty thousand, three hundred four".