9812243331 has 48 divisors (see below), whose sum is σ = 15959099520. Its totient is φ = 5758536960.

The previous prime is 9812243323. The next prime is 9812243341. The reversal of 9812243331 is 1333422189.

9812243331 is a `hidden beast` number, since 9 + 81 + 2 + 243 + 331 = 666.

9812243331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9812243331 - 2³ = 9812243323 is a prime.

It is a super-2 number, since 2×9812243331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9812243341) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 378811 + ... + 403883.

It is an arithmetic number, because the mean of its divisors is an integer number (332481240).

Almost surely, 2^9812243331 is an apocalyptic number.

9812243331 is a deficient number, since it is larger than the sum of its proper divisors (6146856189).

9812243331 is a wasteful number, since it uses less digits than its factorization.

9812243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25216 (or 25213 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 9812243331 is about 99056.7682240845. The cubic root of 9812243331 is about 2140.8657610774.

The spelling of 9812243331 in words is "nine billion, eight hundred twelve million, two hundred forty-three thousand, three hundred thirty-one".