3013001221 has 2 divisors, whose sum is σ = 3013001222. Its totient is φ = 3013001220.

The previous prime is 3013001183. The next prime is 3013001231. The reversal of 3013001221 is 1221003103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1823717025 + 1189284196 = 42705^2 + 34486^2 .

It is a cyclic number.

It is not a de Polignac number, because 3013001221 - 2⁷ = 3013001093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3013001231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506500610 + 1506500611.

It is an arithmetic number, because the mean of its divisors is an integer number (1506500611).

Almost surely, 2^3013001221 is an apocalyptic number.

It is an amenable number.

3013001221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3013001221 is an equidigital number, since it uses as much as digits as its factorization.

3013001221 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3013001221 is about 54890.8118085350. The cubic root of 3013001221 is about 1444.3300128741.

Adding to 3013001221 its reverse (1221003103), we get a palindrome (4234004324).

The spelling of 3013001221 in words is "three billion, thirteen million, one thousand, two hundred twenty-one".