2112031994 has 16 divisors (see below), whose sum is σ = 3308696640. Its totient is φ = 1009213920.

The previous prime is 2112031993. The next prime is 2112032011. The reversal of 2112031994 is 4991302112.

It is a self number, because there is not a number n which added to its sum of digits gives 2112031994.

It is not an unprimeable number, because it can be changed into a prime (2112031993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34262 + ... + 73470.

It is an arithmetic number, because the mean of its divisors is an integer number (206793540).

Almost surely, 2^2112031994 is an apocalyptic number.

2112031994 is a deficient number, since it is larger than the sum of its proper divisors (1196664646).

2112031994 is a wasteful number, since it uses less digits than its factorization.

2112031994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40405.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2112031994 is about 45956.8492610188. The cubic root of 2112031994 is about 1283.0202106180.

The spelling of 2112031994 in words is "two billion, one hundred twelve million, thirty-one thousand, nine hundred ninety-four".