211140313 has 4 divisors (see below), whose sum is σ = 211350580. Its totient is φ = 210930048.

The previous prime is 211140233. The next prime is 211140343. The reversal of 211140313 is 313041112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58568409 + 152571904 = 7653^2 + 12352^2 .

It is a cyclic number.

It is not a de Polignac number, because 211140313 - 2⁹ = 211139801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211140343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103620 + ... + 105637.

It is an arithmetic number, because the mean of its divisors is an integer number (52837645).

Almost surely, 2^211140313 is an apocalyptic number.

It is an amenable number.

211140313 is a deficient number, since it is larger than the sum of its proper divisors (210267).

211140313 is a wasteful number, since it uses less digits than its factorization.

211140313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210266.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 211140313 is about 14530.6680163026. The cubic root of 211140313 is about 595.4661159357.

Adding to 211140313 its reverse (313041112), we get a palindrome (524181425).

It can be divided in two parts, 2111 and 40313, that added together give a palindrome (42424).

The spelling of 211140313 in words is "two hundred eleven million, one hundred forty thousand, three hundred thirteen".