231112305 has 32 divisors (see below), whose sum is σ = 412041600. Its totient is φ = 122907456.

The previous prime is 231112267. The next prime is 231112307. The reversal of 231112305 is 503211132.

It is not a de Polignac number, because 231112305 - 2⁷ = 231112177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231112307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48907 + ... + 53423.

It is an arithmetic number, because the mean of its divisors is an integer number (12876300).

Almost surely, 2^231112305 is an apocalyptic number.

It is an amenable number.

231112305 is a deficient number, since it is larger than the sum of its proper divisors (180929295).

231112305 is a wasteful number, since it uses less digits than its factorization.

231112305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910 (or 4904 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 231112305 is about 15202.3782678895. The cubic root of 231112305 is about 613.6786622245.

Adding to 231112305 its reverse (503211132), we get a palindrome (734323437).

The spelling of 231112305 in words is "two hundred thirty-one million, one hundred twelve thousand, three hundred five".