231118888000 has 1792 divisors, whose sum is σ = 852074496000. Its totient is φ = 60963840000.

The previous prime is 231118887991. The next prime is 231118888043. The reversal of 231118888000 is 888811132.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 7455447985 + ... + 7455448015.

It is an arithmetic number, because the mean of its divisors is an integer number (475488000).

Almost surely, 2^231118888000 is an apocalyptic number.

231118888000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231118888000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426037248000).

231118888000 is an abundant number, since it is smaller than the sum of its proper divisors (620955608000).

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

231118888000 is a wasteful number, since it uses less digits than its factorization.

231118888000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 40.

The spelling of 231118888000 in words is "two hundred thirty-one billion, one hundred eighteen million, eight hundred eighty-eight thousand".