2106903317 has 2 divisors, whose sum is σ = 2106903318. Its totient is φ = 2106903316.

The previous prime is 2106903307. The next prime is 2106903343. The reversal of 2106903317 is 7133096012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1258404676 + 848498641 = 35474^2 + 29129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106903317 - 2⁴ = 2106903301 is a prime.

It is a super-3 number, since 3×2106903317³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2106903307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053451658 + 1053451659.

It is an arithmetic number, because the mean of its divisors is an integer number (1053451659).

Almost surely, 2^2106903317 is an apocalyptic number.

It is an amenable number.

2106903317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106903317 is an equidigital number, since it uses as much as digits as its factorization.

2106903317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 2106903317 is about 45901.0165137985. The cubic root of 2106903317 is about 1281.9808435185.

Adding to 2106903317 its reverse (7133096012), we get a palindrome (9239999329).

The spelling of 2106903317 in words is "two billion, one hundred six million, nine hundred three thousand, three hundred seventeen".