231205232 has 40 divisors (see below), whose sum is σ = 463095360. Its totient is φ = 111749120.

The previous prime is 231205207. The next prime is 231205259. The reversal of 231205232 is 232502132.

231205232 is digitally balanced in base 3, 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 7 ways as a sum of consecutive naturals, for example, 72569 + ... + 75687.

It is an arithmetic number, because the mean of its divisors is an integer number (11577384).

Almost surely, 2^231205232 is an apocalyptic number.

It is an amenable number.

231205232 is an abundant number, since it is smaller than the sum of its proper divisors (231890128).

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

231205232 is a wasteful number, since it uses less digits than its factorization.

231205232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3275 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 231205232 is about 15205.4342917261. The cubic root of 231205232 is about 613.7609017162.

Adding to 231205232 its reverse (232502132), we get a palindrome (463707364).

The spelling of 231205232 in words is "two hundred thirty-one million, two hundred five thousand, two hundred thirty-two".