9881304312 has 384 divisors, whose sum is σ = 30336768000. Its totient is φ = 2668723200.

The previous prime is 9881304311. The next prime is 9881304347. The reversal of 9881304312 is 2134031889.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9881304311) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 90654114 + ... + 90654222.

It is an arithmetic number, because the mean of its divisors is an integer number (79002000).

Almost surely, 2^9881304312 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 9881304312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15168384000).

9881304312 is an abundant number, since it is smaller than the sum of its proper divisors (20455463688).

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

9881304312 is a wasteful number, since it uses less digits than its factorization.

9881304312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 9881304312 is about 99404.7499468713. The cubic root of 9881304312 is about 2145.8766699236.

The spelling of 9881304312 in words is "nine billion, eight hundred eighty-one million, three hundred four thousand, three hundred twelve".