231130504 has 64 divisors (see below), whose sum is σ = 512360640. Its totient is φ = 96552960.

The previous prime is 231130499. The next prime is 231130511. The reversal of 231130504 is 405031132.

231130504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 in 15 ways as a sum of consecutive naturals, for example, 62532 + ... + 66124.

It is an arithmetic number, because the mean of its divisors is an integer number (8005635).

Almost surely, 2^231130504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231130504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256180320).

231130504 is an abundant number, since it is smaller than the sum of its proper divisors (281230136).

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

231130504 is a wasteful number, since it uses less digits than its factorization.

231130504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 231130504 is about 15202.9768137691. The cubic root of 231130504 is about 613.6947698983.

Adding to 231130504 its reverse (405031132), we get a palindrome (636161636).

The spelling of 231130504 in words is "two hundred thirty-one million, one hundred thirty thousand, five hundred four".