231086412 has 48 divisors (see below), whose sum is σ = 599944800. Its totient is φ = 76921920.

The previous prime is 231086407. The next prime is 231086437. The reversal of 231086412 is 214680132.

231086412 is a `hidden beast` number, since 2 + 3 + 10 + 8 + 641 + 2 = 666.

231086412 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231086412² = 106801859622067488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

231086412 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131862 + ... + 133602.

It is an arithmetic number, because the mean of its divisors is an integer number (12498850).

Almost surely, 2^231086412 is an apocalyptic number.

It is an amenable number.

231086412 is an abundant number, since it is smaller than the sum of its proper divisors (368858388).

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

231086412 is a wasteful number, since it uses less digits than its factorization.

231086412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 231086412 is about 15201.5266338615. The cubic root of 231086412 is about 613.6557432443.

The spelling of 231086412 in words is "two hundred thirty-one million, eighty-six thousand, four hundred twelve".