2133303217 has 2 divisors, whose sum is σ = 2133303218. Its totient is φ = 2133303216.

The previous prime is 2133303203. The next prime is 2133303233. The reversal of 2133303217 is 7123033312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1801917601 + 331385616 = 42449^2 + 18204^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133303217 - 2²⁷ = 1999085489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2133303191 and 2133303200.

It is not a weakly prime, because it can be changed into another prime (2133307217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066651608 + 1066651609.

It is an arithmetic number, because the mean of its divisors is an integer number (1066651609).

Almost surely, 2^2133303217 is an apocalyptic number.

It is an amenable number.

2133303217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133303217 is an equidigital number, since it uses as much as digits as its factorization.

2133303217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 2133303217 is about 46187.6955151478. The cubic root of 2133303217 is about 1287.3131217373.

Adding to 2133303217 its reverse (7123033312), we get a palindrome (9256336529).

The spelling of 2133303217 in words is "two billion, one hundred thirty-three million, three hundred three thousand, two hundred seventeen".