11313331013 has 4 divisors (see below), whose sum is σ = 11320552320. Its totient is φ = 11306109708.

The previous prime is 11313331009. The next prime is 11313331033. The reversal of 11313331013 is 31013331311.

11313331013 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31013331311 = 47 ⋅659858113.

It is a cyclic number.

It is not a de Polignac number, because 11313331013 - 2² = 11313331009 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 (11313331033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3608303 + ... + 3611436.

It is an arithmetic number, because the mean of its divisors is an integer number (2830138080).

Almost surely, 2^11313331013 is an apocalyptic number.

It is an amenable number.

11313331013 is a deficient number, since it is larger than the sum of its proper divisors (7221307).

11313331013 is an equidigital number, since it uses as much as digits as its factorization.

11313331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221306.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 11313331013 its reverse (31013331311), we get a palindrome (42326662324).

The spelling of 11313331013 in words is "eleven billion, three hundred thirteen million, three hundred thirty-one thousand, thirteen".