11311010223217 has 2 divisors, whose sum is σ = 11311010223218. Its totient is φ = 11311010223216.

The previous prime is 11311010223199. The next prime is 11311010223251. The reversal of 11311010223217 is 71232201011311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6336678460176 + 4974331763041 = 2517276^2 + 2230321^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311010223217 - 2¹⁹ = 11311009698929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11311010223191 and 11311010223200.

It is not a weakly prime, because it can be changed into another prime (11311010223257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655505111608 + 5655505111609.

It is an arithmetic number, because the mean of its divisors is an integer number (5655505111609).

Almost surely, 2^{11311010223217} is an apocalyptic number.

It is an amenable number.

11311010223217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311010223217 is an equidigital number, since it uses as much as digits as its factorization.

11311010223217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 11311010223217 its reverse (71232201011311), we get a palindrome (82543211234528).

The spelling of 11311010223217 in words is "eleven trillion, three hundred eleven billion, ten million, two hundred twenty-three thousand, two hundred seventeen".