11312311113 has 24 divisors (see below), whose sum is σ = 16408872480. Its totient is φ = 7509827520.

The previous prime is 11312311093. The next prime is 11312311117. The reversal of 11312311113 is 31111321311.

It is not a de Polignac number, because 11312311113 - 2⁹ = 11312310601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11312311117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2274093 + ... + 2279061.

It is an arithmetic number, because the mean of its divisors is an integer number (683703020).

Almost surely, 2^11312311113 is an apocalyptic number.

It is an amenable number.

11312311113 is a deficient number, since it is larger than the sum of its proper divisors (5096561367).

11312311113 is a wasteful number, since it uses less digits than its factorization.

11312311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989 (or 5986 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

Adding to 11312311113 its reverse (31111321311), we get a palindrome (42423632424).

The spelling of 11312311113 in words is "eleven billion, three hundred twelve million, three hundred eleven thousand, one hundred thirteen".