231488856 has 48 divisors (see below), whose sum is σ = 659950200. Its totient is φ = 73101312.

The previous prime is 231488849. The next prime is 231488857. The reversal of 231488856 is 658884132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231488857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83241 + ... + 85976.

Almost surely, 2^231488856 is an apocalyptic number.

It is an amenable number.

231488856 is an abundant number, since it is smaller than the sum of its proper divisors (428461344).

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

231488856 is a wasteful number, since it uses less digits than its factorization.

231488856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169248 (or 169241 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 231488856 is about 15214.7578357330. The cubic root of 231488856 is about 614.0117700142.

The spelling of 231488856 in words is "two hundred thirty-one million, four hundred eighty-eight thousand, eight hundred fifty-six".