231395116 has 12 divisors (see below), whose sum is σ = 405485920. Its totient is φ = 115542000.

The previous prime is 231395093. The next prime is 231395137. The reversal of 231395116 is 611593132.

It is a happy 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, 35511 + ... + 41518.

Almost surely, 2^231395116 is an apocalyptic number.

It is an amenable number.

231395116 is a deficient number, since it is larger than the sum of its proper divisors (174090804).

231395116 is a wasteful number, since it uses less digits than its factorization.

231395116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77784 (or 77782 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 231395116 is about 15211.6769621235. The cubic root of 231395116 is about 613.9288787176.

The spelling of 231395116 in words is "two hundred thirty-one million, three hundred ninety-five thousand, one hundred sixteen".