20100350317 has 2 divisors, whose sum is σ = 20100350318. Its totient is φ = 20100350316.

The previous prime is 20100350311. The next prime is 20100350377. The reversal of 20100350317 is 71305300102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18983052841 + 1117297476 = 137779^2 + 33426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20100350317 is a prime.

It is a super-2 number, since 2×20100350317² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100350311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050175158 + 10050175159.

It is an arithmetic number, because the mean of its divisors is an integer number (10050175159).

Almost surely, 2^20100350317 is an apocalyptic number.

It is an amenable number.

20100350317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100350317 is an equidigital number, since it uses as much as digits as its factorization.

20100350317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

Adding to 20100350317 its reverse (71305300102), we get a palindrome (91405650419).

The spelling of 20100350317 in words is "twenty billion, one hundred million, three hundred fifty thousand, three hundred seventeen".