2011103213313 has 4 divisors (see below), whose sum is σ = 2681470951088. Its totient is φ = 1340735475540.

The previous prime is 2011103213281. The next prime is 2011103213333. The reversal of 2011103213313 is 3133123011102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2011103213313 - 2⁵ = 2011103213281 is a prime.

It is a super-2 number, since 2×2011103213313² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011103213313.

It is not an unprimeable number, because it can be changed into a prime (2011103213333) 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, 335183868883 + ... + 335183868888.

It is an arithmetic number, because the mean of its divisors is an integer number (670367737772).

Almost surely, 2^{2011103213313} is an apocalyptic number.

It is an amenable number.

2011103213313 is a deficient number, since it is larger than the sum of its proper divisors (670367737775).

2011103213313 is an equidigital number, since it uses as much as digits as its factorization.

2011103213313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670367737774.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2011103213313 its reverse (3133123011102), we get a palindrome (5144226224415).

The spelling of 2011103213313 in words is "two trillion, eleven billion, one hundred three million, two hundred thirteen thousand, three hundred thirteen".