211144314013 has 2 divisors, whose sum is σ = 211144314014. Its totient is φ = 211144314012.

The previous prime is 211144313987. The next prime is 211144314037. The reversal of 211144314013 is 310413441112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149271731449 + 61872582564 = 386357^2 + 248742^2 .

It is a cyclic number.

It is not a de Polignac number, because 211144314013 - 2¹³ = 211144305821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211144314113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105572157006 + 105572157007.

It is an arithmetic number, because the mean of its divisors is an integer number (105572157007).

Almost surely, 2^211144314013 is an apocalyptic number.

It is an amenable number.

211144314013 is a deficient number, since it is larger than the sum of its proper divisors (1).

211144314013 is an equidigital number, since it uses as much as digits as its factorization.

211144314013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 211144314013 its reverse (310413441112), we get a palindrome (521557755125).

The spelling of 211144314013 in words is "two hundred eleven billion, one hundred forty-four million, three hundred fourteen thousand, thirteen".