211320233023313 has 2 divisors, whose sum is σ = 211320233023314. Its totient is φ = 211320233023312.

The previous prime is 211320233023307. The next prime is 211320233023351. The reversal of 211320233023313 is 313320332023112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176670139559824 + 34650093463489 = 13291732^2 + 5886433^2 .

It is a cyclic number.

It is not a de Polignac number, because 211320233023313 - 2⁴⁴ = 193728046978897 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 (211320233023303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105660116511656 + 105660116511657.

It is an arithmetic number, because the mean of its divisors is an integer number (105660116511657).

Almost surely, 2^{211320233023313} is an apocalyptic number.

It is an amenable number.

211320233023313 is a deficient number, since it is larger than the sum of its proper divisors (1).

211320233023313 is an equidigital number, since it uses as much as digits as its factorization.

211320233023313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 211320233023313 its reverse (313320332023112), we get a palindrome (524640565046425).

The spelling of 211320233023313 in words is "two hundred eleven trillion, three hundred twenty billion, two hundred thirty-three million, twenty-three thousand, three hundred thirteen".