231198860 has 24 divisors (see below), whose sum is σ = 490976640. Its totient is φ = 91439744.

The previous prime is 231198853. The next prime is 231198883. The reversal of 231198860 is 68891132.

231198860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 63164 + ... + 66723.

It is an arithmetic number, because the mean of its divisors is an integer number (20457360).

Almost surely, 2^231198860 is an apocalyptic number.

231198860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231198860 is an abundant number, since it is smaller than the sum of its proper divisors (259777780).

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

231198860 is a wasteful number, since it uses less digits than its factorization.

231198860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129985 (or 129983 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 231198860 is about 15205.2247599304. The cubic root of 231198860 is about 613.7552632619.

The spelling of 231198860 in words is "two hundred thirty-one million, one hundred ninety-eight thousand, eight hundred sixty".