2311211201303 has 2 divisors, whose sum is σ = 2311211201304. Its totient is φ = 2311211201302.

The previous prime is 2311211201291. The next prime is 2311211201329. The reversal of 2311211201303 is 3031021121132.

It is a happy number.

2311211201303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2311211201303 - 2²⁴ = 2311194424087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311211201503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155605600651 + 1155605600652.

It is an arithmetic number, because the mean of its divisors is an integer number (1155605600652).

Almost surely, 2^{2311211201303} is an apocalyptic number.

2311211201303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311211201303 is an equidigital number, since it uses as much as digits as its factorization.

2311211201303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2311211201303 its reverse (3031021121132), we get a palindrome (5342232322435).

The spelling of 2311211201303 in words is "two trillion, three hundred eleven billion, two hundred eleven million, two hundred one thousand, three hundred three".