231112788 has 24 divisors (see below), whose sum is σ = 551805408. Its totient is φ = 75245856.

The previous prime is 231112759. The next prime is 231112823. The reversal of 231112788 is 887211132.

It is a super-3 number, since 3×231112788³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223431 + ... + 224462.

It is an arithmetic number, because the mean of its divisors is an integer number (22991892).

Almost surely, 2^231112788 is an apocalyptic number.

It is an amenable number.

231112788 is an abundant number, since it is smaller than the sum of its proper divisors (320692620).

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

231112788 is a wasteful number, since it uses less digits than its factorization.

231112788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447943 (or 447941 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 231112788 is about 15202.3941535536. The cubic root of 231112788 is about 613.6790897318.

The spelling of 231112788 in words is "two hundred thirty-one million, one hundred twelve thousand, seven hundred eighty-eight".