3116945219 has 4 divisors (see below), whose sum is σ = 3117056880. Its totient is φ = 3116833560.

The previous prime is 3116945191. The next prime is 3116945263. The reversal of 3116945219 is 9125496113.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3116945219 - 2¹² = 3116941123 is a prime.

It is a super-2 number, since 2×3116945219² = 19430694996493915922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3116945719) 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 3 ways as a sum of consecutive naturals, for example, 27602 + ... + 83640.

It is an arithmetic number, because the mean of its divisors is an integer number (779264220).

Almost surely, 2^3116945219 is an apocalyptic number.

3116945219 is a deficient number, since it is larger than the sum of its proper divisors (111661).

3116945219 is an equidigital number, since it uses as much as digits as its factorization.

3116945219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111660.

The product of its digits is 58320, while the sum is 41.

The square root of 3116945219 is about 55829.6088021401. The cubic root of 3116945219 is about 1460.7516644583.

The spelling of 3116945219 in words is "three billion, one hundred sixteen million, nine hundred forty-five thousand, two hundred nineteen".