9931324368 has 160 divisors (see below), whose sum is σ = 29890086912. Its totient is φ = 2782886400.

The previous prime is 9931324357. The next prime is 9931324373. The reversal of 9931324368 is 8634231399.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5032630 + ... + 5034602.

Almost surely, 2^9931324368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9931324368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14945043456).

9931324368 is an abundant number, since it is smaller than the sum of its proper divisors (19958762544).

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

9931324368 is a wasteful number, since it uses less digits than its factorization.

9931324368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273 (or 2267 counting only the distinct ones).

The product of its digits is 839808, while the sum is 48.

The square root of 9931324368 is about 99656.0302641039. The cubic root of 9931324368 is about 2149.4914512364.

The spelling of 9931324368 in words is "nine billion, nine hundred thirty-one million, three hundred twenty-four thousand, three hundred sixty-eight".