20013110317 has 2 divisors, whose sum is σ = 20013110318. Its totient is φ = 20013110316.

The previous prime is 20013110297. The next prime is 20013110347. The reversal of 20013110317 is 71301131002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17887992516 + 2125117801 = 133746^2 + 46099^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013110317 - 2⁷ = 20013110189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20013110294 and 20013110303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20013110347) 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, 10006555158 + 10006555159.

It is an arithmetic number, because the mean of its divisors is an integer number (10006555159).

Almost surely, 2^20013110317 is an apocalyptic number.

It is an amenable number.

20013110317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013110317 is an equidigital number, since it uses as much as digits as its factorization.

20013110317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

Adding to 20013110317 its reverse (71301131002), we get a palindrome (91314241319).

The spelling of 20013110317 in words is "twenty billion, thirteen million, one hundred ten thousand, three hundred seventeen".