231033112 has 8 divisors (see below), whose sum is σ = 433187100. Its totient is φ = 115516552.

The previous prime is 231033107. The next prime is 231033113. The reversal of 231033112 is 211330132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231033113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14439562 + ... + 14439577.

Almost surely, 2^231033112 is an apocalyptic number.

It is an amenable number.

231033112 is a deficient number, since it is larger than the sum of its proper divisors (202153988).

231033112 is a wasteful number, since it uses less digits than its factorization.

231033112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28879145 (or 28879141 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 231033112 is about 15199.7734193639. The cubic root of 231033112 is about 613.6085597891.

Adding to 231033112 its reverse (211330132), we get a palindrome (442363244).

The spelling of 231033112 in words is "two hundred thirty-one million, thirty-three thousand, one hundred twelve".