211313044 has 6 divisors (see below), whose sum is σ = 369797834. Its totient is φ = 105656520.

The previous prime is 211313021. The next prime is 211313083. The reversal of 211313044 is 440313112.

It can be written as a sum of positive squares in only one way, i.e., 196336144 + 14976900 = 14012^2 + 3870^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26414127 + ... + 26414134.

Almost surely, 2^211313044 is an apocalyptic number.

It is an amenable number.

211313044 is a deficient number, since it is larger than the sum of its proper divisors (158484790).

211313044 is a wasteful number, since it uses less digits than its factorization.

211313044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52828265 (or 52828263 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 211313044 is about 14536.6104714958. The cubic root of 211313044 is about 595.6284525682.

Adding to 211313044 its reverse (440313112), we get a palindrome (651626156).

The spelling of 211313044 in words is "two hundred eleven million, three hundred thirteen thousand, forty-four".