231681288480 has 96 divisors (see below), whose sum is σ = 729879159744. Its totient is φ = 61774642176.

The previous prime is 231681288467. The next prime is 231681288533. The reversal of 231681288480 is 84882186132.

231681288480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

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, 5245047 + ... + 5289033.

It is an arithmetic number, because the mean of its divisors is an integer number (7602907914).

Almost surely, 2^231681288480 is an apocalyptic number.

231681288480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231681288480 is an abundant number, since it is smaller than the sum of its proper divisors (498197871264).

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

231681288480 is a wasteful number, since it uses less digits than its factorization.

231681288480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54978 (or 54970 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 51.

The spelling of 231681288480 in words is "two hundred thirty-one billion, six hundred eighty-one million, two hundred eighty-eight thousand, four hundred eighty".