231231160 has 16 divisors (see below), whose sum is σ = 520270200. Its totient is φ = 92492448.

The previous prime is 231231151. The next prime is 231231179. The reversal of 231231160 is 61132132.

231231160 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 3 ways as a sum of consecutive naturals, for example, 2890350 + ... + 2890429.

Almost surely, 2^231231160 is an apocalyptic number.

231231160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231231160 is an abundant number, since it is smaller than the sum of its proper divisors (289039040).

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

231231160 is a wasteful number, since it uses less digits than its factorization.

231231160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780790 (or 5780786 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 231231160 is about 15206.2868577441. The cubic root of 231231160 is about 613.7838438122.

Adding to 231231160 its reverse (61132132), we get a palindrome (292363292).

The spelling of 231231160 in words is "two hundred thirty-one million, two hundred thirty-one thousand, one hundred sixty".