3313221240205 has 4 divisors (see below), whose sum is σ = 3975865488252. Its totient is φ = 2650576992160.

The previous prime is 3313221240143. The next prime is 3313221240209. The reversal of 3313221240205 is 5020421223133.

It is a happy number.

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 385737882084 + 2927483358121 = 621078^2 + 1710989^2 .

It is not a de Polignac number, because 3313221240205 - 2³⁵ = 3278861501837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313221240209) 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 in 3 ways as a sum of consecutive naturals, for example, 331322124016 + ... + 331322124025.

It is an arithmetic number, because the mean of its divisors is an integer number (993966372063).

Almost surely, 2^{3313221240205} is an apocalyptic number.

It is an amenable number.

3313221240205 is a deficient number, since it is larger than the sum of its proper divisors (662644248047).

3313221240205 is an equidigital number, since it uses as much as digits as its factorization.

3313221240205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662644248046.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 3313221240205 its reverse (5020421223133), we get a palindrome (8333642463338).

The spelling of 3313221240205 in words is "three trillion, three hundred thirteen billion, two hundred twenty-one million, two hundred forty thousand, two hundred five".