244130213 has 2 divisors, whose sum is σ = 244130214. Its totient is φ = 244130212.

The previous prime is 244130209. The next prime is 244130219. The reversal of 244130213 is 312031442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140232964 + 103897249 = 11842^2 + 10193^2 .

It is a cyclic number.

It is not a de Polignac number, because 244130213 - 2² = 244130209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244130219) 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, 122065106 + 122065107.

It is an arithmetic number, because the mean of its divisors is an integer number (122065107).

Almost surely, 2^244130213 is an apocalyptic number.

It is an amenable number.

244130213 is a deficient number, since it is larger than the sum of its proper divisors (1).

244130213 is an equidigital number, since it uses as much as digits as its factorization.

244130213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 244130213 is about 15624.6668124476. Note that the first 3 decimals coincide. The cubic root of 244130213 is about 624.9911149670.

Adding to 244130213 its reverse (312031442), we get a palindrome (556161655).

The spelling of 244130213 in words is "two hundred forty-four million, one hundred thirty thousand, two hundred thirteen".