133220412317 has 2 divisors, whose sum is σ = 133220412318. Its totient is φ = 133220412316.

The previous prime is 133220412223. The next prime is 133220412349. The reversal of 133220412317 is 713214022331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77632447876 + 55587964441 = 278626^2 + 235771^2 .

It is an emirp because it is prime and its reverse (713214022331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133220412317 - 2¹² = 133220408221 is a prime.

It is a super-2 number, since 2×133220412317² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133220412317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133220412397) 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, 66610206158 + 66610206159.

It is an arithmetic number, because the mean of its divisors is an integer number (66610206159).

Almost surely, 2^133220412317 is an apocalyptic number.

It is an amenable number.

133220412317 is a deficient number, since it is larger than the sum of its proper divisors (1).

133220412317 is an equidigital number, since it uses as much as digits as its factorization.

133220412317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 133220412317 its reverse (713214022331), we get a palindrome (846434434648).

The spelling of 133220412317 in words is "one hundred thirty-three billion, two hundred twenty million, four hundred twelve thousand, three hundred seventeen".