231065612 has 24 divisors (see below), whose sum is σ = 429567600. Its totient is φ = 108444096.

The previous prime is 231065603. The next prime is 231065623. The reversal of 231065612 is 216560132.

231065612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5663 + ... + 22230.

It is an arithmetic number, because the mean of its divisors is an integer number (17898650).

Almost surely, 2^231065612 is an apocalyptic number.

It is an amenable number.

231065612 is a deficient number, since it is larger than the sum of its proper divisors (198501988).

231065612 is a wasteful number, since it uses less digits than its factorization.

231065612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28025 (or 28023 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 231065612 is about 15200.8424766524. The cubic root of 231065612 is about 613.6373310519.

The spelling of 231065612 in words is "two hundred thirty-one million, sixty-five thousand, six hundred twelve".