3117221033 has 2 divisors, whose sum is σ = 3117221034. Its totient is φ = 3117221032.

The previous prime is 3117221017. The next prime is 3117221057. The reversal of 3117221033 is 3301227113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2372858944 + 744362089 = 48712^2 + 27283^2 .

It is an emirp because it is prime and its reverse (3301227113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3117221033 - 2⁴ = 3117221017 is a prime.

It is not a weakly prime, because it can be changed into another prime (3117221083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558610516 + 1558610517.

It is an arithmetic number, because the mean of its divisors is an integer number (1558610517).

It is a self-describing number.

Almost surely, 2^3117221033 is an apocalyptic number.

It is an amenable number.

3117221033 is a deficient number, since it is larger than the sum of its proper divisors (1).

3117221033 is an equidigital number, since it uses as much as digits as its factorization.

3117221033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 3117221033 is about 55832.0788883953. The cubic root of 3117221033 is about 1460.7947497921.

Adding to 3117221033 its reverse (3301227113), we get a palindrome (6418448146).

The spelling of 3117221033 in words is "three billion, one hundred seventeen million, two hundred twenty-one thousand, thirty-three".