8385813331 has 16 divisors (see below), whose sum is σ = 9745781760. Its totient is φ = 7066762560.

The previous prime is 8385813307. The next prime is 8385813341. The reversal of 8385813331 is 1333185838.

It is a cyclic number.

It is not a de Polignac number, because 8385813331 - 2⁷ = 8385813203 is a prime.

It is a super-2 number, since 2×8385813331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8385813341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227190 + ... + 261508.

It is an arithmetic number, because the mean of its divisors is an integer number (609111360).

Almost surely, 2^8385813331 is an apocalyptic number.

8385813331 is a deficient number, since it is larger than the sum of its proper divisors (1359968429).

8385813331 is a wasteful number, since it uses less digits than its factorization.

8385813331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34914.

The product of its digits is 207360, while the sum is 43.

The square root of 8385813331 is about 91574.0865692910. The cubic root of 8385813331 is about 2031.6476815795.

The spelling of 8385813331 in words is "eight billion, three hundred eighty-five million, eight hundred thirteen thousand, three hundred thirty-one".