231504036 has 48 divisors (see below), whose sum is σ = 549354624. Its totient is φ = 75868416.

The previous prime is 231504029. The next prime is 231504043. The reversal of 231504036 is 630405132.

It is a happy number.

231504036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231504029) and next prime (231504043).

It is a junction number, because it is equal to n+sod(n) for n = 231503997 and 231504015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193456 + ... + 194648.

It is an arithmetic number, because the mean of its divisors is an integer number (11444888).

Almost surely, 2^231504036 is an apocalyptic number.

It is an amenable number.

231504036 is an abundant number, since it is smaller than the sum of its proper divisors (317850588).

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

231504036 is a wasteful number, since it uses less digits than its factorization.

231504036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 231504036 is about 15215.2566853143. The cubic root of 231504036 is about 614.0251910993.

Adding to 231504036 its reverse (630405132), we get a palindrome (861909168).

The spelling of 231504036 in words is "two hundred thirty-one million, five hundred four thousand, thirty-six".