211210683240317 has 2 divisors, whose sum is σ = 211210683240318. Its totient is φ = 211210683240316.

The previous prime is 211210683240299. The next prime is 211210683240343. The reversal of 211210683240317 is 713042386012112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183751553139001 + 27459130101316 = 13555499^2 + 5240146^2 .

It is a cyclic number.

It is not a de Polignac number, because 211210683240317 - 2¹² = 211210683236221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211210683246317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605341620158 + 105605341620159.

It is an arithmetic number, because the mean of its divisors is an integer number (105605341620159).

Almost surely, 2^{211210683240317} is an apocalyptic number.

It is an amenable number.

211210683240317 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210683240317 is an equidigital number, since it uses as much as digits as its factorization.

211210683240317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 211210683240317 in words is "two hundred eleven trillion, two hundred ten billion, six hundred eighty-three million, two hundred forty thousand, three hundred seventeen".