113311320311 has 64 divisors (see below), whose sum is σ = 143536250880. Its totient is φ = 87222804480.

The previous prime is 113311320307. The next prime is 113311320313. The reversal of 113311320311 is 113023113311.

It is not a de Polignac number, because 113311320311 - 2² = 113311320307 is a prime.

It is a super-2 number, since 2×113311320311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113311320313) 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 63 ways as a sum of consecutive naturals, for example, 95459660 + ... + 95460846.

It is an arithmetic number, because the mean of its divisors is an integer number (2242753920).

Almost surely, 2^113311320311 is an apocalyptic number.

113311320311 is a deficient number, since it is larger than the sum of its proper divisors (30224930569).

113311320311 is a wasteful number, since it uses less digits than its factorization.

113311320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 113311320311 its reverse (113023113311), we get a palindrome (226334433622).

The spelling of 113311320311 in words is "one hundred thirteen billion, three hundred eleven million, three hundred twenty thousand, three hundred eleven".