201332310217 has 2 divisors, whose sum is σ = 201332310218. Its totient is φ = 201332310216.

The previous prime is 201332310097. The next prime is 201332310227. The reversal of 201332310217 is 712013233102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120620068416 + 80712241801 = 347304^2 + 284099^2 .

It is a cyclic number.

It is not a de Polignac number, because 201332310217 - 2¹¹ = 201332308169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201332310191 and 201332310200.

It is not a weakly prime, because it can be changed into another prime (201332310227) 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, 100666155108 + 100666155109.

It is an arithmetic number, because the mean of its divisors is an integer number (100666155109).

Almost surely, 2^201332310217 is an apocalyptic number.

It is an amenable number.

201332310217 is a deficient number, since it is larger than the sum of its proper divisors (1).

201332310217 is an equidigital number, since it uses as much as digits as its factorization.

201332310217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 201332310217 its reverse (712013233102), we get a palindrome (913345543319).

The spelling of 201332310217 in words is "two hundred one billion, three hundred thirty-two million, three hundred ten thousand, two hundred seventeen".