231332323312 has 10 divisors (see below), whose sum is σ = 448206376448. Its totient is φ = 115666161648.

The previous prime is 231332323273. The next prime is 231332323363. The reversal of 231332323312 is 213323233132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7229135088 + ... + 7229135119.

Almost surely, 2^231332323312 is an apocalyptic number.

It is an amenable number.

231332323312 is a deficient number, since it is larger than the sum of its proper divisors (216874053136).

231332323312 is a wasteful number, since it uses less digits than its factorization.

231332323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14458270215 (or 14458270209 counting only the distinct ones).

The product of its digits is 11664, while the sum is 28.

Adding to 231332323312 its reverse (213323233132), we get a palindrome (444655556444).

The spelling of 231332323312 in words is "two hundred thirty-one billion, three hundred thirty-two million, three hundred twenty-three thousand, three hundred twelve".