12311301113 has 4 divisors (see below), whose sum is σ = 12314712228. Its totient is φ = 12307890000.

The previous prime is 12311301091. The next prime is 12311301127. The reversal of 12311301113 is 31110311321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3367248784 + 8944052329 = 58028^2 + 94573^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311301113 - 2⁶ = 12311301049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12311301091 and 12311301100.

It is not an unprimeable number, because it can be changed into a prime (12311301193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700138 + ... + 1707363.

It is an arithmetic number, because the mean of its divisors is an integer number (3078678057).

Almost surely, 2^12311301113 is an apocalyptic number.

It is an amenable number.

12311301113 is a deficient number, since it is larger than the sum of its proper divisors (3411115).

12311301113 is an equidigital number, since it uses as much as digits as its factorization.

12311301113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411114.

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

Adding to 12311301113 its reverse (31110311321), we get a palindrome (43421612434).

The spelling of 12311301113 in words is "twelve billion, three hundred eleven million, three hundred one thousand, one hundred thirteen".