231139683288 has 96 divisors (see below), whose sum is σ = 627400706400. Its totient is φ = 76874803200.

The previous prime is 231139683259. The next prime is 231139683293. The reversal of 231139683288 is 882386931132.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111070408 + ... + 111072488.

It is an arithmetic number, because the mean of its divisors is an integer number (6535424025).

Almost surely, 2^231139683288 is an apocalyptic number.

It is an amenable number.

231139683288 is an abundant number, since it is smaller than the sum of its proper divisors (396261023112).

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

231139683288 is a wasteful number, since it uses less digits than its factorization.

231139683288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793 (or 4786 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 231139683288 in words is "two hundred thirty-one billion, one hundred thirty-nine million, six hundred eighty-three thousand, two hundred eighty-eight".