231748241816 has 64 divisors (see below), whose sum is σ = 552055418880. Its totient is φ = 88723175040.

The previous prime is 231748241731. The next prime is 231748241821. The reversal of 231748241816 is 618142847132.

231748241816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5111876 + ... + 5157011.

It is an arithmetic number, because the mean of its divisors is an integer number (8625865920).

Almost surely, 2^231748241816 is an apocalyptic number.

231748241816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

231748241816 is an abundant number, since it is smaller than the sum of its proper divisors (320307177064).

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

231748241816 is a wasteful number, since it uses less digits than its factorization.

231748241816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268944 (or 10268940 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The spelling of 231748241816 in words is "two hundred thirty-one billion, seven hundred forty-eight million, two hundred forty-one thousand, eight hundred sixteen".