20310201271 has 2 divisors, whose sum is σ = 20310201272. Its totient is φ = 20310201270.

The previous prime is 20310201269. The next prime is 20310201323. The reversal of 20310201271 is 17210201302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20310201271 - 2¹ = 20310201269 is a prime.

Together with 20310201269, 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 (20310291271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155100635 + 10155100636.

It is an arithmetic number, because the mean of its divisors is an integer number (10155100636).

Almost surely, 2^20310201271 is an apocalyptic number.

20310201271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310201271 is an equidigital number, since it uses as much as digits as its factorization.

20310201271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 20310201271 its reverse (17210201302), we get a palindrome (37520402573).

The spelling of 20310201271 in words is "twenty billion, three hundred ten million, two hundred one thousand, two hundred seventy-one".