231183268788 has 48 divisors (see below), whose sum is σ = 541925383104. Its totient is φ = 76705044480.

The previous prime is 231183268781. The next prime is 231183268793. The reversal of 231183268788 is 887862381132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231183268781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2354518 + ... + 2450738.

It is an arithmetic number, because the mean of its divisors is an integer number (11290112148).

Almost surely, 2^231183268788 is an apocalyptic number.

It is an amenable number.

231183268788 is an abundant number, since it is smaller than the sum of its proper divisors (310742114316).

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

231183268788 is a wasteful number, since it uses less digits than its factorization.

231183268788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97152 (or 97150 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 57.

The spelling of 231183268788 in words is "two hundred thirty-one billion, one hundred eighty-three million, two hundred sixty-eight thousand, seven hundred eighty-eight".