231045112 has 8 divisors (see below), whose sum is σ = 433209600. Its totient is φ = 115522552.

The previous prime is 231045109. The next prime is 231045119. The reversal of 231045112 is 211540132.

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

It is a self number, because there is not a number n which added to its sum of digits gives 231045112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231045119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14440312 + ... + 14440327.

It is an arithmetic number, because the mean of its divisors is an integer number (54151200).

Almost surely, 2^231045112 is an apocalyptic number.

It is an amenable number.

231045112 is a deficient number, since it is larger than the sum of its proper divisors (202164488).

231045112 is a wasteful number, since it uses less digits than its factorization.

231045112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28880645 (or 28880641 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 231045112 is about 15200.1681569646. The cubic root of 231045112 is about 613.6191833388.

Adding to 231045112 its reverse (211540132), we get a palindrome (442585244).

The spelling of 231045112 in words is "two hundred thirty-one million, forty-five thousand, one hundred twelve".