211310210205013 has 2 divisors, whose sum is σ = 211310210205014. Its totient is φ = 211310210205012.

The previous prime is 211310210204897. The next prime is 211310210205053. The reversal of 211310210205013 is 310502012013112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133146628610724 + 78163581594289 = 11538918^2 + 8841017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211310210205013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211310210205053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105655105102506 + 105655105102507.

It is an arithmetic number, because the mean of its divisors is an integer number (105655105102507).

Almost surely, 2^{211310210205013} is an apocalyptic number.

It is an amenable number.

211310210205013 is a deficient number, since it is larger than the sum of its proper divisors (1).

211310210205013 is an equidigital number, since it uses as much as digits as its factorization.

211310210205013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 211310210205013 its reverse (310502012013112), we get a palindrome (521812222218125).

The spelling of 211310210205013 in words is "two hundred eleven trillion, three hundred ten billion, two hundred ten million, two hundred five thousand, thirteen".