3013010221 has 4 divisors (see below), whose sum is σ = 3244780252. Its totient is φ = 2781240192.

The previous prime is 3013010219. The next prime is 3013010237. The reversal of 3013010221 is 1220103103.

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 162945225 + 2850064996 = 12765^2 + 53386^2 .

It is a cyclic number.

It is not a de Polignac number, because 3013010221 - 2¹ = 3013010219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 231770017 = 3013010221 / (3 + 0 + 1 + 3 + 0 + 1 + 0 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3013010201) 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, 115884996 + ... + 115885021.

It is an arithmetic number, because the mean of its divisors is an integer number (811195063).

Almost surely, 2^3013010221 is an apocalyptic number.

It is an amenable number.

3013010221 is a deficient number, since it is larger than the sum of its proper divisors (231770031).

3013010221 is a wasteful number, since it uses less digits than its factorization.

3013010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231770030.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3013010221 is about 54890.8937894074. The cubic root of 3013010221 is about 1444.3314509703.

Adding to 3013010221 its reverse (1220103103), we get a palindrome (4233113324).

The spelling of 3013010221 in words is "three billion, thirteen million, ten thousand, two hundred twenty-one".