213102206 has 8 divisors (see below), whose sum is σ = 319728384. Its totient is φ = 106526080.

The previous prime is 213102173. The next prime is 213102209. The reversal of 213102206 is 602201312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213102209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091 + ... + 20673.

It is an arithmetic number, because the mean of its divisors is an integer number (39966048).

Almost surely, 2^213102206 is an apocalyptic number.

213102206 is a deficient number, since it is larger than the sum of its proper divisors (106626178).

213102206 is a wasteful number, since it uses less digits than its factorization.

213102206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25026.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 213102206 is about 14598.0206192484. The cubic root of 213102206 is about 597.3047684138.

Adding to 213102206 its reverse (602201312), we get a palindrome (815303518).

The spelling of 213102206 in words is "two hundred thirteen million, one hundred two thousand, two hundred six".