231303344112 has 30 divisors (see below), whose sum is σ = 647328109272. Its totient is φ = 77101114656.

The previous prime is 231303344089. The next prime is 231303344159. The reversal of 231303344112 is 211443303132.

It is a happy number.

231303344112 is a `hidden beast` number, since 2 + 3 + 1 + 303 + 344 + 1 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 803136468 + ... + 803136755.

Almost surely, 2^231303344112 is an apocalyptic number.

It is an amenable number.

231303344112 is an abundant number, since it is smaller than the sum of its proper divisors (416024765160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231303344112 is a wasteful number, since it uses less digits than its factorization.

231303344112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606273237 (or 1606273228 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 231303344112 its reverse (211443303132), we get a palindrome (442746647244).

The spelling of 231303344112 in words is "two hundred thirty-one billion, three hundred three million, three hundred forty-four thousand, one hundred twelve".