231504104 has 16 divisors (see below), whose sum is σ = 467460420. Its totient is φ = 106848000.

The previous prime is 231504073. The next prime is 231504121. The reversal of 231504104 is 401405132.

It can be written as a sum of positive squares in 2 ways, for example, as 201583204 + 29920900 = 14198^2 + 5470^2 .

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, 1112897 + ... + 1113104.

Almost surely, 2^231504104 is an apocalyptic number.

It is an amenable number.

231504104 is an abundant number, since it is smaller than the sum of its proper divisors (235956316).

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

231504104 is a wasteful number, since it uses less digits than its factorization.

231504104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226020 (or 2226016 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 231504104 is about 15215.2589199133. The cubic root of 231504104 is about 614.0252512188.

Adding to 231504104 its reverse (401405132), we get a palindrome (632909236).

The spelling of 231504104 in words is "two hundred thirty-one million, five hundred four thousand, one hundred four".