231313013304 has 32 divisors (see below), whose sum is σ = 578346912000. Its totient is φ = 77095753952.

The previous prime is 231313013291. The next prime is 231313013311. The reversal of 231313013304 is 403310313132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314544 + ... + 749375.

It is an arithmetic number, because the mean of its divisors is an integer number (18073341000).

Almost surely, 2^231313013304 is an apocalyptic number.

231313013304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231313013304 is an abundant number, since it is smaller than the sum of its proper divisors (347033898696).

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

231313013304 is a wasteful number, since it uses less digits than its factorization.

231313013304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072987 (or 1072983 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 231313013304 its reverse (403310313132), we get a palindrome (634623326436).

The spelling of 231313013304 in words is "two hundred thirty-one billion, three hundred thirteen million, thirteen thousand, three hundred four".