213066113 has 8 divisors (see below), whose sum is σ = 230919528. Its totient is φ = 195421824.

The previous prime is 213066067. The next prime is 213066121. The reversal of 213066113 is 311660312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41770369 + 171295744 = 6463^2 + 13088^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213066113 - 2¹⁶ = 213000577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213066163) 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 in 7 ways as a sum of consecutive naturals, for example, 50156 + ... + 54237.

It is an arithmetic number, because the mean of its divisors is an integer number (28864941).

Almost surely, 2^213066113 is an apocalyptic number.

It is an amenable number.

213066113 is a deficient number, since it is larger than the sum of its proper divisors (17853415).

213066113 is a wasteful number, since it uses less digits than its factorization.

213066113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104563.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 213066113 is about 14596.7843376546. The cubic root of 213066113 is about 597.2710447864.

The spelling of 213066113 in words is "two hundred thirteen million, sixty-six thousand, one hundred thirteen".