231112032 has 24 divisors (see below), whose sum is σ = 606669336. Its totient is φ = 77037312.

The previous prime is 231112031. The next prime is 231112069. The reversal of 231112032 is 230211132.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231112031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203613 + ... + 1203804.

It is an arithmetic number, because the mean of its divisors is an integer number (25277889).

Almost surely, 2^231112032 is an apocalyptic number.

It is an amenable number.

231112032 is an abundant number, since it is smaller than the sum of its proper divisors (375557304).

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

231112032 is a wasteful number, since it uses less digits than its factorization.

231112032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407430 (or 2407422 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 231112032 is about 15202.3692890286. The cubic root of 231112032 is about 613.6784205897.

Adding to 231112032 its reverse (230211132), we get a palindrome (461323164).

The spelling of 231112032 in words is "two hundred thirty-one million, one hundred twelve thousand, thirty-two".