231032800 has 72 divisors (see below), whose sum is σ = 566120016. Its totient is φ = 92067840.

The previous prime is 231032797. The next prime is 231032819. The reversal of 231032800 is 8230132.

It is a happy number.

231032800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389304 + ... + 389896.

It is an arithmetic number, because the mean of its divisors is an integer number (7862778).

Almost surely, 2^231032800 is an apocalyptic number.

231032800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231032800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283060008).

231032800 is an abundant number, since it is smaller than the sum of its proper divisors (335087216).

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

231032800 is a wasteful number, since it uses less digits than its factorization.

231032800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 231032800 is about 15199.7631560495. The cubic root of 231032800 is about 613.6082835719.

Adding to 231032800 its reverse (8230132), we get a palindrome (239262932).

The spelling of 231032800 in words is "two hundred thirty-one million, thirty-two thousand, eight hundred".