315730641688 has 64 divisors (see below), whose sum is σ = 743459212800. Its totient is φ = 122114008320.

The previous prime is 315730641673. The next prime is 315730641697. The reversal of 315730641688 is 886146037513.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1786228 + ... + 1955011.

It is an arithmetic number, because the mean of its divisors is an integer number (11616550200).

Almost surely, 2^315730641688 is an apocalyptic number.

It is an amenable number.

315730641688 is an abundant number, since it is smaller than the sum of its proper divisors (427728571112).

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

315730641688 is a wasteful number, since it uses less digits than its factorization.

315730641688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741400 (or 3741396 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 315730641688 in words is "three hundred fifteen billion, seven hundred thirty million, six hundred forty-one thousand, six hundred eighty-eight".