20112322311313 has 8 divisors (see below), whose sum is σ = 20137064761800. Its totient is φ = 20087590471680.

The previous prime is 20112322311311. The next prime is 20112322311371. The reversal of 20112322311313 is 31311322321102.

It can be written as a sum of positive squares in 4 ways, for example, as 3650208944704 + 16462113366609 = 1910552^2 + 4057353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112322311313 - 2¹ = 20112322311311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112322311311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143853 + ... + 6444613.

It is an arithmetic number, because the mean of its divisors is an integer number (2517133095225).

Almost surely, 2^{20112322311313} is an apocalyptic number.

It is an amenable number.

20112322311313 is a deficient number, since it is larger than the sum of its proper divisors (24742450487).

20112322311313 is a wasteful number, since it uses less digits than its factorization.

20112322311313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305427.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 20112322311313 its reverse (31311322321102), we get a palindrome (51423644632415).

The spelling of 20112322311313 in words is "twenty trillion, one hundred twelve billion, three hundred twenty-two million, three hundred eleven thousand, three hundred thirteen".