231112002 has 32 divisors (see below), whose sum is σ = 504806400. Its totient is φ = 69955920.

The previous prime is 231111997. The next prime is 231112003. The reversal of 231112002 is 200211132.

231112002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231112003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91083 + ... + 93585.

It is an arithmetic number, because the mean of its divisors is an integer number (15775200).

Almost surely, 2^231112002 is an apocalyptic number.

231112002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231112002 is an abundant number, since it is smaller than the sum of its proper divisors (273694398).

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

231112002 is a wasteful number, since it uses less digits than its factorization.

231112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 231112002 is about 15202.3683023403. The cubic root of 231112002 is about 613.6783940364.

Adding to 231112002 its reverse (200211132), we get a palindrome (431323134).

The spelling of 231112002 in words is "two hundred thirty-one million, one hundred twelve thousand, two".