213030011 has 2 divisors, whose sum is σ = 213030012. Its totient is φ = 213030010.

The previous prime is 213029963. The next prime is 213030029. The reversal of 213030011 is 110030312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213030011 - 2¹⁰ = 213028987 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 213029974 and 213030001.

It is not a weakly prime, because it can be changed into another prime (213030091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106515005 + 106515006.

It is an arithmetic number, because the mean of its divisors is an integer number (106515006).

Almost surely, 2^213030011 is an apocalyptic number.

213030011 is a deficient number, since it is larger than the sum of its proper divisors (1).

213030011 is an equidigital number, since it uses as much as digits as its factorization.

213030011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 213030011 is about 14595.5476430314. The cubic root of 213030011 is about 597.2373089396.

Adding to 213030011 its reverse (110030312), we get a palindrome (323060323).

The spelling of 213030011 in words is "two hundred thirteen million, thirty thousand, eleven".