213344315 has 4 divisors (see below), whose sum is σ = 256013184. Its totient is φ = 170675448.

The previous prime is 213344311. The next prime is 213344359. The reversal of 213344315 is 513443312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213344315 - 2² = 213344311 is a prime.

It is a super-3 number, since 3×213344315³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213344311) 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, 21334427 + ... + 21334436.

It is an arithmetic number, because the mean of its divisors is an integer number (64003296).

Almost surely, 2^213344315 is an apocalyptic number.

213344315 is a deficient number, since it is larger than the sum of its proper divisors (42668869).

213344315 is an equidigital number, since it uses as much as digits as its factorization.

213344315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42668868.

The product of its digits is 4320, while the sum is 26.

The square root of 213344315 is about 14606.3107936262. The cubic root of 213344315 is about 597.5308854678.

Adding to 213344315 its reverse (513443312), we get a palindrome (726787627).

The spelling of 213344315 in words is "two hundred thirteen million, three hundred forty-four thousand, three hundred fifteen".