231011592055 has 16 divisors (see below), whose sum is σ = 291950477280. Its totient is φ = 174994653312.

The previous prime is 231011592047. The next prime is 231011592059. The reversal of 231011592055 is 550295110132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 231011592055 - 2³ = 231011592047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231011592055.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419124 + ... + 798553.

It is an arithmetic number, because the mean of its divisors is an integer number (18246904830).

Almost surely, 2^231011592055 is an apocalyptic number.

231011592055 is a deficient number, since it is larger than the sum of its proper divisors (60938885225).

231011592055 is a wasteful number, since it uses less digits than its factorization.

231011592055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219698.

The product of its (nonzero) digits is 13500, while the sum is 34.

The spelling of 231011592055 in words is "two hundred thirty-one billion, eleven million, five hundred ninety-two thousand, fifty-five".