213311206 has 16 divisors (see below), whose sum is σ = 340518816. Its totient is φ = 99869056.

The previous prime is 213311201. The next prime is 213311209. The reversal of 213311206 is 602113312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213311201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9226 + ... + 22621.

It is an arithmetic number, because the mean of its divisors is an integer number (21282426).

Almost surely, 2^213311206 is an apocalyptic number.

213311206 is a deficient number, since it is larger than the sum of its proper divisors (127207610).

213311206 is a wasteful number, since it uses less digits than its factorization.

213311206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32063.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 213311206 is about 14605.1773696864. The cubic root of 213311206 is about 597.4999735065.

Adding to 213311206 its reverse (602113312), we get a palindrome (815424518).

The spelling of 213311206 in words is "two hundred thirteen million, three hundred eleven thousand, two hundred six".