231303575135552 has 28 divisors (see below), whose sum is σ = 467653277801556. Its totient is φ = 113469678366720.

The previous prime is 231303575135551. The next prime is 231303575135639. The reversal of 231303575135552 is 255531575303132.

231303575135552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 87541173046336 + 143762402089216 = 9356344^2 + 11990096^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231303575135552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231303575135551) 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, 34095452849 + ... + 34095459632.

It is an arithmetic number, because the mean of its divisors is an integer number (16701902778627).

Almost surely, 2^{231303575135552} is an apocalyptic number.

It is an amenable number.

231303575135552 is an abundant number, since it is smaller than the sum of its proper divisors (236349702666004).

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

231303575135552 is an equidigital number, since it uses as much as digits as its factorization.

231303575135552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68190912546 (or 68190912536 counting only the distinct ones).

The product of its (nonzero) digits is 7087500, while the sum is 50.

The spelling of 231303575135552 in words is "two hundred thirty-one trillion, three hundred three billion, five hundred seventy-five million, one hundred thirty-five thousand, five hundred fifty-two".