2311111113 has 16 divisors (see below), whose sum is σ = 3245632320. Its totient is φ = 1458763776.

The previous prime is 2311111081. The next prime is 2311111129. The reversal of 2311111113 is 3111111132.

It is not a de Polignac number, because 2311111113 - 2⁵ = 2311111081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311111092 and 2311111101.

It is not an unprimeable number, because it can be changed into a prime (2311111133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89881 + ... + 112697.

It is an arithmetic number, because the mean of its divisors is an integer number (202852020).

Almost surely, 2^2311111113 is an apocalyptic number.

It is an amenable number.

2311111113 is a deficient number, since it is larger than the sum of its proper divisors (934521207).

2311111113 is a wasteful number, since it uses less digits than its factorization.

2311111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24616.

The product of its digits is 18, while the sum is 15.

The square root of 2311111113 is about 48074.0170258322. The cubic root of 2311111113 is about 1322.1283221474.

Adding to 2311111113 its reverse (3111111132), we get a palindrome (5422222245).

It can be divided in two parts, 2 and 311111113, that multiplied together give a palindrome (622222226).

The spelling of 2311111113 in words is "two billion, three hundred eleven million, one hundred eleven thousand, one hundred thirteen".