302402213 has 2 divisors, whose sum is σ = 302402214. Its totient is φ = 302402212.

The previous prime is 302402209. The next prime is 302402237. The reversal of 302402213 is 312204203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258019969 + 44382244 = 16063^2 + 6662^2 .

It is an emirp because it is prime and its reverse (312204203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 302402213 - 2² = 302402209 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 302402191 and 302402200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302402203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151201106 + 151201107.

It is an arithmetic number, because the mean of its divisors is an integer number (151201107).

Almost surely, 2^302402213 is an apocalyptic number.

It is an amenable number.

302402213 is a deficient number, since it is larger than the sum of its proper divisors (1).

302402213 is an equidigital number, since it uses as much as digits as its factorization.

302402213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 302402213 is about 17389.7157251060. The cubic root of 302402213 is about 671.2150025852.

Adding to 302402213 its reverse (312204203), we get a palindrome (614606416).

The spelling of 302402213 in words is "three hundred two million, four hundred two thousand, two hundred thirteen".