213340215 has 16 divisors (see below), whose sum is σ = 372375936. Its totient is φ = 103437600.

The previous prime is 213340213. The next prime is 213340217. The reversal of 213340215 is 512043312.

It is an interprime number because it is at equal distance from previous prime (213340213) and next prime (213340217).

It is not a de Polignac number, because 213340215 - 2¹ = 213340213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213340191 and 213340200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213340213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646321 + ... + 646650.

It is an arithmetic number, because the mean of its divisors is an integer number (23273496).

Almost surely, 2^213340215 is an apocalyptic number.

213340215 is a deficient number, since it is larger than the sum of its proper divisors (159035721).

213340215 is a wasteful number, since it uses less digits than its factorization.

213340215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292990.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 213340215 is about 14606.1704426588. The cubic root of 213340215 is about 597.5270577081.

Adding to 213340215 its reverse (512043312), we get a palindrome (725383527).

The spelling of 213340215 in words is "two hundred thirteen million, three hundred forty thousand, two hundred fifteen".