213234215 has 8 divisors (see below), whose sum is σ = 255974688. Its totient is φ = 170524960.

The previous prime is 213234209. The next prime is 213234251. The reversal of 213234215 is 512432312.

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

It is not a de Polignac number, because 213234215 - 2⁸ = 213233959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11630 + ... + 23700.

It is an arithmetic number, because the mean of its divisors is an integer number (31996836).

Almost surely, 2^213234215 is an apocalyptic number.

213234215 is a deficient number, since it is larger than the sum of its proper divisors (42740473).

213234215 is a wasteful number, since it uses less digits than its factorization.

213234215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15609.

The product of its digits is 1440, while the sum is 23.

The square root of 213234215 is about 14602.5413884022. The cubic root of 213234215 is about 597.4280790868.

Adding to 213234215 its reverse (512432312), we get a palindrome (725666527).

The spelling of 213234215 in words is "two hundred thirteen million, two hundred thirty-four thousand, two hundred fifteen".