231705696 has 24 divisors (see below), whose sum is σ = 608227704. Its totient is φ = 77235200.

The previous prime is 231705689. The next prime is 231705757. The reversal of 231705696 is 696507132.

231705696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

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, 1206705 + ... + 1206896.

It is an arithmetic number, because the mean of its divisors is an integer number (25342821).

Almost surely, 2^231705696 is an apocalyptic number.

It is an amenable number.

231705696 is an abundant number, since it is smaller than the sum of its proper divisors (376522008).

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

231705696 is a wasteful number, since it uses less digits than its factorization.

231705696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413614 (or 2413606 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 231705696 is about 15221.8821438086. The cubic root of 231705696 is about 614.2034290049.

The spelling of 231705696 in words is "two hundred thirty-one million, seven hundred five thousand, six hundred ninety-six".