2311311113 has 4 divisors (see below), whose sum is σ = 2385869568. Its totient is φ = 2236752660.

The previous prime is 2311311083. The next prime is 2311311179. The reversal of 2311311113 is 3111131132.

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 2311311113 - 2¹⁶ = 2311245577 is a prime.

It is a super-2 number, since 2×2311311113² = 10684318122154597538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2311311091 and 2311311100.

It is not an unprimeable number, because it can be changed into a prime (2311311713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37279181 + ... + 37279242.

It is an arithmetic number, because the mean of its divisors is an integer number (596467392).

Almost surely, 2^2311311113 is an apocalyptic number.

It is an amenable number.

2311311113 is a deficient number, since it is larger than the sum of its proper divisors (74558455).

2311311113 is an equidigital number, since it uses as much as digits as its factorization.

2311311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74558454.

The product of its digits is 54, while the sum is 17.

The square root of 2311311113 is about 48076.0971065664. The cubic root of 2311311113 is about 1322.1664593642.

Adding to 2311311113 its reverse (3111131132), we get a palindrome (5422442245).

The spelling of 2311311113 in words is "two billion, three hundred eleven million, three hundred eleven thousand, one hundred thirteen".