232231111312 has 10 divisors (see below), whose sum is σ = 449947778198. Its totient is φ = 116115555648.

The previous prime is 232231111289. The next prime is 232231111381. The reversal of 232231111312 is 213111132232.

It can be written as a sum of positive squares in only one way, i.e., 147023166096 + 85207945216 = 383436^2 + 291904^2 .

It is a super-2 number, since 2×232231111312² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7257222213 + ... + 7257222244.

Almost surely, 2^232231111312 is an apocalyptic number.

It is an amenable number.

232231111312 is a deficient number, since it is larger than the sum of its proper divisors (217716666886).

232231111312 is a wasteful number, since it uses less digits than its factorization.

232231111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14514444465 (or 14514444459 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 232231111312 its reverse (213111132232), we get a palindrome (445342243544).

The spelling of 232231111312 in words is "two hundred thirty-two billion, two hundred thirty-one million, one hundred eleven thousand, three hundred twelve".