213314215 has 16 divisors (see below), whose sum is σ = 272459808. Its totient is φ = 159768576.

The previous prime is 213314207. The next prime is 213314219. The reversal of 213314215 is 512413312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213314215 - 2³ = 213314207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213314219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9904 + ... + 22906.

It is an arithmetic number, because the mean of its divisors is an integer number (17028738).

Almost surely, 2^213314215 is an apocalyptic number.

213314215 is a deficient number, since it is larger than the sum of its proper divisors (59145593).

213314215 is a wasteful number, since it uses less digits than its factorization.

213314215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13218.

The product of its digits is 720, while the sum is 22.

The square root of 213314215 is about 14605.2803807390. The cubic root of 213314215 is about 597.5027829682.

Adding to 213314215 its reverse (512413312), we get a palindrome (725727527).

The spelling of 213314215 in words is "two hundred thirteen million, three hundred fourteen thousand, two hundred fifteen".