9931385024 has 28 divisors (see below), whose sum is σ = 21499192968. Its totient is φ = 4514265600.

The previous prime is 9931385017. The next prime is 9931385039. The reversal of 9931385024 is 4205831399.

9931385024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7052837 + ... + 7054244.

Almost surely, 2^9931385024 is an apocalyptic number.

It is an amenable number.

9931385024 is an abundant number, since it is smaller than the sum of its proper divisors (11567807944).

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

9931385024 is a wasteful number, since it uses less digits than its factorization.

9931385024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14107104 (or 14107094 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 9931385024 is about 99656.3345904313. The cubic root of 9931385024 is about 2149.4958272653.

The spelling of 9931385024 in words is "nine billion, nine hundred thirty-one million, three hundred eighty-five thousand, twenty-four".