211322440341013 has 2 divisors, whose sum is σ = 211322440341014. Its totient is φ = 211322440341012.

The previous prime is 211322440340933. The next prime is 211322440341031. The reversal of 211322440341013 is 310143044223112.

It is a happy number.

Together with next prime (211322440341031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114860047729284 + 96462392611729 = 10717278^2 + 9821527^2 .

It is a cyclic number.

It is not a de Polignac number, because 211322440341013 - 2¹⁷ = 211322440209941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211322440341083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105661220170506 + 105661220170507.

It is an arithmetic number, because the mean of its divisors is an integer number (105661220170507).

Almost surely, 2^{211322440341013} is an apocalyptic number.

It is an amenable number.

211322440341013 is a deficient number, since it is larger than the sum of its proper divisors (1).

211322440341013 is an equidigital number, since it uses as much as digits as its factorization.

211322440341013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 211322440341013 its reverse (310143044223112), we get a palindrome (521465484564125).

The spelling of 211322440341013 in words is "two hundred eleven trillion, three hundred twenty-two billion, four hundred forty million, three hundred forty-one thousand, thirteen".