231089184056 has 32 divisors (see below), whose sum is σ = 435836436480. Its totient is φ = 114866901600.

The previous prime is 231089183981. The next prime is 231089184059. The reversal of 231089184056 is 650481980132.

It is a happy number.

It is a super-2 number, since 2×231089184056² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 231089184056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231089184059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408441 + ... + 2502551.

It is an arithmetic number, because the mean of its divisors is an integer number (13619888640).

Almost surely, 2^231089184056 is an apocalyptic number.

It is an amenable number.

231089184056 is a deficient number, since it is larger than the sum of its proper divisors (204747252424).

231089184056 is a wasteful number, since it uses less digits than its factorization.

231089184056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95915 (or 95911 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 231089184056 in words is "two hundred thirty-one billion, eighty-nine million, one hundred eighty-four thousand, fifty-six".