211320708713 has 2 divisors, whose sum is σ = 211320708714. Its totient is φ = 211320708712.

The previous prime is 211320708701. The next prime is 211320708737. The reversal of 211320708713 is 317807023112.

211320708713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211147602064 + 173106649 = 459508^2 + 13157^2 .

It is a cyclic number.

It is not a de Polignac number, because 211320708713 - 2⁶ = 211320708649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (211320708763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105660354356 + 105660354357.

It is an arithmetic number, because the mean of its divisors is an integer number (105660354357).

Almost surely, 2^211320708713 is an apocalyptic number.

It is an amenable number.

211320708713 is a deficient number, since it is larger than the sum of its proper divisors (1).

211320708713 is an equidigital number, since it uses as much as digits as its factorization.

211320708713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 211320708713 in words is "two hundred eleven billion, three hundred twenty million, seven hundred eight thousand, seven hundred thirteen".