11303101321 has 4 divisors (see below), whose sum is σ = 11967989652. Its totient is φ = 10638212992.

The previous prime is 11303101279. The next prime is 11303101379. The reversal of 11303101321 is 12310130311.

11303101321 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 4817054025 + 6486047296 = 69405^2 + 80536^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303101321 - 2¹³ = 11303093129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11303101295 and 11303101304.

It is not an unprimeable number, because it can be changed into a prime (11303101391) 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, 332444140 + ... + 332444173.

It is an arithmetic number, because the mean of its divisors is an integer number (2991997413).

Almost surely, 2^11303101321 is an apocalyptic number.

It is an amenable number.

11303101321 is a deficient number, since it is larger than the sum of its proper divisors (664888331).

11303101321 is an equidigital number, since it uses as much as digits as its factorization.

11303101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664888330.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11303101321 its reverse (12310130311), we get a palindrome (23613231632).

The spelling of 11303101321 in words is "eleven billion, three hundred three million, one hundred one thousand, three hundred twenty-one".