231994308062908 has 48 divisors (see below), whose sum is σ = 419974441286400. Its totient is φ = 112017534704640.

The previous prime is 231994308062863. The next prime is 231994308062963. The reversal of 231994308062908 is 809260803499132.

It is a self number, because there is not a number n which added to its sum of digits gives 231994308062908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414834498 + ... + 415393366.

It is an arithmetic number, because the mean of its divisors is an integer number (8749467526800).

Almost surely, 2^{231994308062908} is an apocalyptic number.

It is an amenable number.

231994308062908 is a deficient number, since it is larger than the sum of its proper divisors (187980133223492).

231994308062908 is a wasteful number, since it uses less digits than its factorization.

231994308062908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565990 (or 565988 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 231994308062908 in words is "two hundred thirty-one trillion, nine hundred ninety-four billion, three hundred eight million, sixty-two thousand, nine hundred eight".