231305753871048 has 128 divisors (see below), whose sum is σ = 636021232704000. Its totient is φ = 69773493780480.

The previous prime is 231305753871047. The next prime is 231305753871091. The reversal of 231305753871048 is 840178357503132.

It is not an unprimeable number, because it can be changed into a prime (231305753871041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37706928 + ... + 43409951.

It is an arithmetic number, because the mean of its divisors is an integer number (4968915880500).

Almost surely, 2^{231305753871048} is an apocalyptic number.

It is an amenable number.

231305753871048 is an abundant number, since it is smaller than the sum of its proper divisors (404715478832952).

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

231305753871048 is a wasteful number, since it uses less digits than its factorization.

231305753871048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81117175 (or 81117171 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 231305753871048 in words is "two hundred thirty-one trillion, three hundred five billion, seven hundred fifty-three million, eight hundred seventy-one thousand, forty-eight".