231786116 has 12 divisors (see below), whose sum is σ = 406245840. Its totient is φ = 115715880.

The previous prime is 231786091. The next prime is 231786151. The reversal of 231786116 is 611687132.

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, 41330 + ... + 46601.

It is an arithmetic number, because the mean of its divisors is an integer number (33853820).

Almost surely, 2^231786116 is an apocalyptic number.

It is an amenable number.

231786116 is a deficient number, since it is larger than the sum of its proper divisors (174459724).

231786116 is a wasteful number, since it uses less digits than its factorization.

231786116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88594 (or 88592 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 231786116 is about 15224.5235065010. The cubic root of 231786116 is about 614.2744796627.

The spelling of 231786116 in words is "two hundred thirty-one million, seven hundred eighty-six thousand, one hundred sixteen".