231910937752 has 128 divisors (see below), whose sum is σ = 504019353600. Its totient is φ = 99218649600.

The previous prime is 231910937743. The next prime is 231910937777. The reversal of 231910937752 is 257739019132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231910937696 and 231910937705.

It is a congruent number.

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, 11864227 + ... + 11883757.

It is an arithmetic number, because the mean of its divisors is an integer number (3937651200).

Almost surely, 2^231910937752 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 231910937752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252009676800).

231910937752 is an abundant number, since it is smaller than the sum of its proper divisors (272108415848).

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

231910937752 is a wasteful number, since it uses less digits than its factorization.

231910937752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19737 (or 19733 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 231910937752 in words is "two hundred thirty-one billion, nine hundred ten million, nine hundred thirty-seven thousand, seven hundred fifty-two".