231914256 has 120 divisors (see below), whose sum is σ = 702615744. Its totient is φ = 65721600.

The previous prime is 231914239. The next prime is 231914297. The reversal of 231914256 is 652419132.

231914256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354826 + ... + 355478.

Almost surely, 2^231914256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231914256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351307872).

231914256 is an abundant number, since it is smaller than the sum of its proper divisors (470701488).

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

231914256 is a wasteful number, since it uses less digits than its factorization.

231914256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 816 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 231914256 is about 15228.7312669178. The cubic root of 231914256 is about 614.3876567480.

The spelling of 231914256 in words is "two hundred thirty-one million, nine hundred fourteen thousand, two hundred fifty-six".