2113331323013 has 4 divisors (see below), whose sum is σ = 2186204816940. Its totient is φ = 2040457829088.

The previous prime is 2113331322989. The next prime is 2113331323021. The reversal of 2113331323013 is 3103231333112.

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 1112567177089 + 1000764145924 = 1054783^2 + 1000382^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113331323013 - 2³⁴ = 2096151453829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113331323613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36436746920 + ... + 36436746977.

It is an arithmetic number, because the mean of its divisors is an integer number (546551204235).

Almost surely, 2^{2113331323013} is an apocalyptic number.

It is an amenable number.

2113331323013 is a deficient number, since it is larger than the sum of its proper divisors (72873493927).

2113331323013 is an equidigital number, since it uses as much as digits as its factorization.

2113331323013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72873493926.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 2113331323013 its reverse (3103231333112), we get a palindrome (5216562656125).

The spelling of 2113331323013 in words is "two trillion, one hundred thirteen billion, three hundred thirty-one million, three hundred twenty-three thousand, thirteen".