231331200112 has 20 divisors (see below), whose sum is σ = 448843600296. Its totient is φ = 115500593600.

The previous prime is 231331200097. The next prime is 231331200143. The reversal of 231331200112 is 211002133132.

It is a self number, because there is not a number n which added to its sum of digits gives 231331200112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10301338 + ... + 10323769.

Almost surely, 2^231331200112 is an apocalyptic number.

It is an amenable number.

231331200112 is a deficient number, since it is larger than the sum of its proper divisors (217512400184).

231331200112 is a wasteful number, since it uses less digits than its factorization.

231331200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20625816 (or 20625810 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231331200112 its reverse (211002133132), we get a palindrome (442333333244).

The spelling of 231331200112 in words is "two hundred thirty-one billion, three hundred thirty-one million, two hundred thousand, one hundred twelve".