232231312 has 10 divisors (see below), whose sum is σ = 449948198. Its totient is φ = 116115648.

The previous prime is 232231309. The next prime is 232231327. The reversal of 232231312 is 213132232.

232231312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 153660816 + 78570496 = 12396^2 + 8864^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 232231312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7257213 + ... + 7257244.

Almost surely, 2^232231312 is an apocalyptic number.

It is an amenable number.

232231312 is a deficient number, since it is larger than the sum of its proper divisors (217716886).

232231312 is a wasteful number, since it uses less digits than its factorization.

232231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14514465 (or 14514459 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 232231312 is about 15239.1375084025. The cubic root of 232231312 is about 614.6675110265.

Adding to 232231312 its reverse (213132232), we get a palindrome (445363544).

The spelling of 232231312 in words is "two hundred thirty-two million, two hundred thirty-one thousand, three hundred twelve".