11313331103213 has 4 divisors (see below), whose sum is σ = 11313352979868. Its totient is φ = 11313309226560.

The previous prime is 11313331103209. The next prime is 11313331103231. The reversal of 11313331103213 is 31230113331311.

11313331103213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7885549166884 + 3427781936329 = 2808122^2 + 1851427^2 .

It is a cyclic number.

It is not a de Polignac number, because 11313331103213 - 2² = 11313331103209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313331303213) 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, 10143356 + ... + 11203317.

It is an arithmetic number, because the mean of its divisors is an integer number (2828338244967).

Almost surely, 2^{11313331103213} is an apocalyptic number.

It is an amenable number.

11313331103213 is a deficient number, since it is larger than the sum of its proper divisors (21876655).

11313331103213 is an equidigital number, since it uses as much as digits as its factorization.

11313331103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21876654.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 11313331103213 its reverse (31230113331311), we get a palindrome (42543444434524).

The spelling of 11313331103213 in words is "eleven trillion, three hundred thirteen billion, three hundred thirty-one million, one hundred three thousand, two hundred thirteen".