231344504 has 8 divisors (see below), whose sum is σ = 433770960. Its totient is φ = 115672248.

The previous prime is 231344479. The next prime is 231344507. The reversal of 231344504 is 405443132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231344507) by changing a digit.

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, 14459024 + ... + 14459039.

It is an arithmetic number, because the mean of its divisors is an integer number (54221370).

Almost surely, 2^231344504 is an apocalyptic number.

It is an amenable number.

231344504 is a deficient number, since it is larger than the sum of its proper divisors (202426456).

231344504 is a wasteful number, since it uses less digits than its factorization.

231344504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28918069 (or 28918065 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 231344504 is about 15210.0132807306. The cubic root of 231344504 is about 613.8841148311.

Adding to 231344504 its reverse (405443132), we get a palindrome (636787636).

The spelling of 231344504 in words is "two hundred thirty-one million, three hundred forty-four thousand, five hundred four".