20203301311 has 2 divisors, whose sum is σ = 20203301312. Its totient is φ = 20203301310.

The previous prime is 20203301309. The next prime is 20203301323. The reversal of 20203301311 is 11310330202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20203301311 - 2¹ = 20203301309 is a prime.

Together with 20203301309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20203301341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101650655 + 10101650656.

It is an arithmetic number, because the mean of its divisors is an integer number (10101650656).

Almost surely, 2^20203301311 is an apocalyptic number.

20203301311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203301311 is an equidigital number, since it uses as much as digits as its factorization.

20203301311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20203301311 its reverse (11310330202), we get a palindrome (31513631513).

The spelling of 20203301311 in words is "twenty billion, two hundred three million, three hundred one thousand, three hundred eleven".