231384712008 has 128 divisors (see below), whose sum is σ = 604371456000. Its totient is φ = 73737941760.

The previous prime is 231384711991. The next prime is 231384712037. The reversal of 231384712008 is 800217483132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30167598 + ... + 30175266.

It is an arithmetic number, because the mean of its divisors is an integer number (4721652000).

Almost surely, 2^231384712008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231384712008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302185728000).

231384712008 is an abundant number, since it is smaller than the sum of its proper divisors (372986743992).

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

231384712008 is a wasteful number, since it uses less digits than its factorization.

231384712008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8195 (or 8191 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 231384712008 in words is "two hundred thirty-one billion, three hundred eighty-four million, seven hundred twelve thousand, eight".