3120391994 has 16 divisors (see below), whose sum is σ = 4752675648. Its totient is φ = 1536341952.

The previous prime is 3120391979. The next prime is 3120392027. The reversal of 3120391994 is 4991930213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7919 + ... + 79394.

It is an arithmetic number, because the mean of its divisors is an integer number (297042228).

Almost surely, 2^3120391994 is an apocalyptic number.

3120391994 is a deficient number, since it is larger than the sum of its proper divisors (1632283654).

3120391994 is a wasteful number, since it uses less digits than its factorization.

3120391994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87589.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 3120391994 is about 55860.4689740428. The cubic root of 3120391994 is about 1461.2899080713.

The spelling of 3120391994 in words is "three billion, one hundred twenty million, three hundred ninety-one thousand, nine hundred ninety-four".