211031083 has 2 divisors, whose sum is σ = 211031084. Its totient is φ = 211031082.

The previous prime is 211031077. The next prime is 211031087. The reversal of 211031083 is 380130112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211031083 - 2¹³ = 211022891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211031083.

It is not a weakly prime, because it can be changed into another prime (211031087) by changing a digit.

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, 105515541 + 105515542.

It is an arithmetic number, because the mean of its divisors is an integer number (105515542).

Almost surely, 2^211031083 is an apocalyptic number.

211031083 is a deficient number, since it is larger than the sum of its proper divisors (1).

211031083 is an equidigital number, since it uses as much as digits as its factorization.

211031083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 211031083 is about 14526.9089279172. The cubic root of 211031083 is about 595.3634133262.

Adding to 211031083 its reverse (380130112), we get a palindrome (591161195).

The spelling of 211031083 in words is "two hundred eleven million, thirty-one thousand, eighty-three".