11303320321 has 2 divisors, whose sum is σ = 11303320322. Its totient is φ = 11303320320.

The previous prime is 11303320283. The next prime is 11303320333. The reversal of 11303320321 is 12302330311.

11303320321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10436665600 + 866654721 = 102160^2 + 29439^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303320321 - 2¹⁵ = 11303287553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11303320361) 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 as a sum of consecutive naturals, namely, 5651660160 + 5651660161.

It is an arithmetic number, because the mean of its divisors is an integer number (5651660161).

Almost surely, 2^11303320321 is an apocalyptic number.

It is an amenable number.

11303320321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303320321 is an equidigital number, since it uses as much as digits as its factorization.

11303320321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11303320321 its reverse (12302330311), we get a palindrome (23605650632).

The spelling of 11303320321 in words is "eleven billion, three hundred three million, three hundred twenty thousand, three hundred twenty-one".