231330100208 has 20 divisors (see below), whose sum is σ = 471791652360. Its totient is φ = 109577415744.

The previous prime is 231330100139. The next prime is 231330100217. The reversal of 231330100208 is 802001033132.

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, 380476835 + ... + 380477442.

It is an arithmetic number, because the mean of its divisors is an integer number (23589582618).

Almost surely, 2^231330100208 is an apocalyptic number.

It is an amenable number.

231330100208 is an abundant number, since it is smaller than the sum of its proper divisors (240461552152).

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

231330100208 is a wasteful number, since it uses less digits than its factorization.

231330100208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760954304 (or 760954298 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 231330100208 in words is "two hundred thirty-one billion, three hundred thirty million, one hundred thousand, two hundred eight".