213030113 has 2 divisors, whose sum is σ = 213030114. Its totient is φ = 213030112.

The previous prime is 213030107. The next prime is 213030121. The reversal of 213030113 is 311030312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204833344 + 8196769 = 14312^2 + 2863^2 .

It is a cyclic number.

It is not a de Polignac number, because 213030113 - 2⁸ = 213029857 is a prime.

It is not a weakly prime, because it can be changed into another prime (213030313) 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, 106515056 + 106515057.

It is an arithmetic number, because the mean of its divisors is an integer number (106515057).

Almost surely, 2^213030113 is an apocalyptic number.

It is an amenable number.

213030113 is a deficient number, since it is larger than the sum of its proper divisors (1).

213030113 is an equidigital number, since it uses as much as digits as its factorization.

213030113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 213030113 is about 14595.5511372473. The cubic root of 213030113 is about 597.2374042598.

Adding to 213030113 its reverse (311030312), we get a palindrome (524060425).

The spelling of 213030113 in words is "two hundred thirteen million, thirty thousand, one hundred thirteen".