8309920311 has 48 divisors (see below), whose sum is σ = 15013559808. Its totient is φ = 4302849600.

The previous prime is 8309920279. The next prime is 8309920321. The reversal of 8309920311 is 1130299038.

It is not a de Polignac number, because 8309920311 - 2⁵ = 8309920279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8309920321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196245 + ... + 234801.

It is an arithmetic number, because the mean of its divisors is an integer number (312782496).

Almost surely, 2^8309920311 is an apocalyptic number.

8309920311 is a deficient number, since it is larger than the sum of its proper divisors (6703639497).

8309920311 is a wasteful number, since it uses less digits than its factorization.

8309920311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38892 (or 38889 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 8309920311 is about 91158.7643125991. The cubic root of 8309920311 is about 2025.5001811532.

The spelling of 8309920311 in words is "eight billion, three hundred nine million, nine hundred twenty thousand, three hundred eleven".