211440314 has 4 divisors (see below), whose sum is σ = 317160474. Its totient is φ = 105720156.

The previous prime is 211440301. The next prime is 211440319. The reversal of 211440314 is 413044112.

211440314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 209294089 + 2146225 = 14467^2 + 1465^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211440319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52860077 + ... + 52860080.

Almost surely, 2^211440314 is an apocalyptic number.

211440314 is a deficient number, since it is larger than the sum of its proper divisors (105720160).

211440314 is a wasteful number, since it uses less digits than its factorization.

211440314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105720159.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 211440314 is about 14540.9873805048. The cubic root of 211440314 is about 595.7480072946.

Adding to 211440314 its reverse (413044112), we get a palindrome (624484426).

The spelling of 211440314 in words is "two hundred eleven million, four hundred forty thousand, three hundred fourteen".