3112311999 has 16 divisors (see below), whose sum is σ = 4331480832. Its totient is φ = 1984063488.

The previous prime is 3112311973. The next prime is 3112312019. The reversal of 3112311999 is 9991132113.

It is not a de Polignac number, because 3112311999 - 2¹² = 3112307903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112311949) 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 15 ways as a sum of consecutive naturals, for example, 388159 + ... + 396095.

It is an arithmetic number, because the mean of its divisors is an integer number (270717552).

Almost surely, 2^3112311999 is an apocalyptic number.

3112311999 is a deficient number, since it is larger than the sum of its proper divisors (1219168833).

3112311999 is a wasteful number, since it uses less digits than its factorization.

3112311999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13646.

The product of its digits is 13122, while the sum is 39.

The square root of 3112311999 is about 55788.0990803594. The cubic root of 3112311999 is about 1460.0275216867.

The spelling of 3112311999 in words is "three billion, one hundred twelve million, three hundred eleven thousand, nine hundred ninety-nine".