231748512008 has 64 divisors (see below), whose sum is σ = 474089112000. Its totient is φ = 105565946112.

The previous prime is 231748512007. The next prime is 231748512019. The reversal of 231748512008 is 800215847132.

It is not an unprimeable number, because it can be changed into a prime (231748512007) 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, 2954723 + ... + 3032141.

It is an arithmetic number, because the mean of its divisors is an integer number (7407642375).

Almost surely, 2^231748512008 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 231748512008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237044556000).

231748512008 is an abundant number, since it is smaller than the sum of its proper divisors (242340599992).

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

231748512008 is a wasteful number, since it uses less digits than its factorization.

231748512008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77814 (or 77810 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 231748512008 in words is "two hundred thirty-one billion, seven hundred forty-eight million, five hundred twelve thousand, eight".