2111312379 has 32 divisors (see below), whose sum is σ = 3137944320. Its totient is φ = 1251993600.

The previous prime is 2111312369. The next prime is 2111312429. The reversal of 2111312379 is 9732131112.

It is not a de Polignac number, because 2111312379 - 2²⁵ = 2077757947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111312309) 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 31 ways as a sum of consecutive naturals, for example, 281184 + ... + 288594.

It is an arithmetic number, because the mean of its divisors is an integer number (98060760).

Almost surely, 2^2111312379 is an apocalyptic number.

2111312379 is a deficient number, since it is larger than the sum of its proper divisors (1026631941).

2111312379 is a wasteful number, since it uses less digits than its factorization.

2111312379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611.

The product of its digits is 2268, while the sum is 30.

The square root of 2111312379 is about 45949.0193475334. The cubic root of 2111312379 is about 1282.8744764826.

The spelling of 2111312379 in words is "two billion, one hundred eleven million, three hundred twelve thousand, three hundred seventy-nine".