3033113221 has 4 divisors (see below), whose sum is σ = 3115089292. Its totient is φ = 2951137152.

The previous prime is 3033113207. The next prime is 3033113227. The reversal of 3033113221 is 1223113303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2692156996 + 340956225 = 51886^2 + 18465^2 .

It is a cyclic number.

It is not a de Polignac number, because 3033113221 - 2⁵ = 3033113189 is a prime.

It is a super-2 number, since 2×3033113221² = 18399551622809989682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3033113227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40987980 + ... + 40988053.

It is an arithmetic number, because the mean of its divisors is an integer number (778772323).

Almost surely, 2^3033113221 is an apocalyptic number.

It is an amenable number.

3033113221 is a deficient number, since it is larger than the sum of its proper divisors (81976071).

3033113221 is an equidigital number, since it uses as much as digits as its factorization.

3033113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81976070.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3033113221 is about 55073.7071659426. The cubic root of 3033113221 is about 1447.5365577116.

Adding to 3033113221 its reverse (1223113303), we get a palindrome (4256226524).

The spelling of 3033113221 in words is "three billion, thirty-three million, one hundred thirteen thousand, two hundred twenty-one".