231313241112 has 32 divisors (see below), whose sum is σ = 578295325680. Its totient is φ = 77102784000.

The previous prime is 231313241099. The next prime is 231313241113. The reversal of 231313241112 is 211142313132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231313241113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1728612 + ... + 1857612.

Almost surely, 2^231313241112 is an apocalyptic number.

It is an amenable number.

231313241112 is an abundant number, since it is smaller than the sum of its proper divisors (346982084568).

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

231313241112 is a wasteful number, since it uses less digits than its factorization.

231313241112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203723 (or 203719 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 231313241112 its reverse (211142313132), we get a palindrome (442455554244).

The spelling of 231313241112 in words is "two hundred thirty-one billion, three hundred thirteen million, two hundred forty-one thousand, one hundred twelve".