211340315 has 8 divisors (see below), whose sum is σ = 253844928. Its totient is φ = 168914560.

The previous prime is 211340293. The next prime is 211340323. The reversal of 211340315 is 513043112.

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

It is not a de Polignac number, because 211340315 - 2¹² = 211336219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13646 + ... + 24675.

It is an arithmetic number, because the mean of its divisors is an integer number (31730616).

Almost surely, 2^211340315 is an apocalyptic number.

211340315 is a deficient number, since it is larger than the sum of its proper divisors (42504613).

211340315 is a wasteful number, since it uses less digits than its factorization.

211340315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39429.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 211340315 is about 14537.5484521978. The cubic root of 211340315 is about 595.6540744047.

Adding to 211340315 its reverse (513043112), we get a palindrome (724383427).

The spelling of 211340315 in words is "two hundred eleven million, three hundred forty thousand, three hundred fifteen".