231011592056 has 16 divisors (see below), whose sum is σ = 495024840240. Its totient is φ = 99004968000.

The previous prime is 231011592047. The next prime is 231011592059. The reversal of 231011592056 is 650295110132.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231011592059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062603445 + ... + 2062603556.

It is an arithmetic number, because the mean of its divisors is an integer number (30939052515).

Almost surely, 2^231011592056 is an apocalyptic number.

It is an amenable number.

231011592056 is an abundant number, since it is smaller than the sum of its proper divisors (264013248184).

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

231011592056 is a wasteful number, since it uses less digits than its factorization.

231011592056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125207014 (or 4125207010 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 231011592056 in words is "two hundred thirty-one billion, eleven million, five hundred ninety-two thousand, fifty-six".