11311303120303 has 2 divisors, whose sum is σ = 11311303120304. Its totient is φ = 11311303120302.

The previous prime is 11311303120219. The next prime is 11311303120321. The reversal of 11311303120303 is 30302130311311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11311303120303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311303720303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655651560151 + 5655651560152.

It is an arithmetic number, because the mean of its divisors is an integer number (5655651560152).

Almost surely, 2^{11311303120303} is an apocalyptic number.

11311303120303 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311303120303 is an equidigital number, since it uses as much as digits as its factorization.

11311303120303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 11311303120303 its reverse (30302130311311), we get a palindrome (41613433431614).

The spelling of 11311303120303 in words is "eleven trillion, three hundred eleven billion, three hundred three million, one hundred twenty thousand, three hundred three".