3113030221 has 6 divisors (see below), whose sum is σ = 3621280110. Its totient is φ = 2668311576.

The previous prime is 3113030213. The next prime is 3113030227. The reversal of 3113030221 is 1220303113.

It can be written as a sum of positive squares in only one way, i.e., 2267092996 + 845937225 = 47614^2 + 29085^2 .

It is not a de Polignac number, because 3113030221 - 2³ = 3113030213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3113030195 and 3113030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113030227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31765566 + ... + 31765663.

It is an arithmetic number, because the mean of its divisors is an integer number (603546685).

Almost surely, 2^3113030221 is an apocalyptic number.

It is an amenable number.

3113030221 is a deficient number, since it is larger than the sum of its proper divisors (508249889).

3113030221 is an equidigital number, since it uses as much as digits as its factorization.

3113030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63531243 (or 63531236 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3113030221 is about 55794.5357629222. The cubic root of 3113030221 is about 1460.1398222567.

Adding to 3113030221 its reverse (1220303113), we get a palindrome (4333333334).

The spelling of 3113030221 in words is "three billion, one hundred thirteen million, thirty thousand, two hundred twenty-one".