2111322313 has 4 divisors (see below), whose sum is σ = 2222444560. Its totient is φ = 2000200068.

The previous prime is 2111322271. The next prime is 2111322319. The reversal of 2111322313 is 3132231112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2111322313 - 2²⁹ = 1574451401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 111122227 = 2111322313 / (2 + 1 + 1 + 1 + 3 + 2 + 2 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111322319) 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, 55561095 + ... + 55561132.

It is an arithmetic number, because the mean of its divisors is an integer number (555611140).

Almost surely, 2^2111322313 is an apocalyptic number.

It is an amenable number.

2111322313 is a deficient number, since it is larger than the sum of its proper divisors (111122247).

2111322313 is a wasteful number, since it uses less digits than its factorization.

2111322313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111122246.

The product of its digits is 216, while the sum is 19.

The square root of 2111322313 is about 45949.1274454695. The cubic root of 2111322313 is about 1282.8764885100.

Adding to 2111322313 its reverse (3132231112), we get a palindrome (5243553425).

The spelling of 2111322313 in words is "two billion, one hundred eleven million, three hundred twenty-two thousand, three hundred thirteen".