211442313 has 8 divisors (see below), whose sum is σ = 282066400. Its totient is φ = 140889888.

The previous prime is 211442299. The next prime is 211442327. The reversal of 211442313 is 313244112.

It is an interprime number because it is at equal distance from previous prime (211442299) and next prime (211442327).

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

It is not a de Polignac number, because 211442313 - 2¹⁰ = 211441289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211442313.

It is not an unprimeable number, because it can be changed into a prime (211442333) by changing a digit.

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, 10603 + ... + 23136.

It is an arithmetic number, because the mean of its divisors is an integer number (35258300).

Almost surely, 2^211442313 is an apocalyptic number.

It is an amenable number.

211442313 is a deficient number, since it is larger than the sum of its proper divisors (70624087).

211442313 is a wasteful number, since it uses less digits than its factorization.

211442313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35831.

The product of its digits is 576, while the sum is 21.

The square root of 211442313 is about 14541.0561170776. The cubic root of 211442313 is about 595.7498847298.

Adding to 211442313 its reverse (313244112), we get a palindrome (524686425).

The spelling of 211442313 in words is "two hundred eleven million, four hundred forty-two thousand, three hundred thirteen".