231085208 has 8 divisors (see below), whose sum is σ = 433284780. Its totient is φ = 115542600.

The previous prime is 231085189. The next prime is 231085219. The reversal of 231085208 is 802580132.

231085208 is digitally balanced in base 3, 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 (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14442818 + ... + 14442833.

Almost surely, 2^231085208 is an apocalyptic number.

It is an amenable number.

231085208 is a deficient number, since it is larger than the sum of its proper divisors (202199572).

231085208 is a wasteful number, since it uses less digits than its factorization.

231085208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28885657 (or 28885653 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 231085208 is about 15201.4870325242. The cubic root of 231085208 is about 613.6546774917.

The spelling of 231085208 in words is "two hundred thirty-one million, eighty-five thousand, two hundred eight".