1311222332417 has 2 divisors, whose sum is σ = 1311222332418. Its totient is φ = 1311222332416.

The previous prime is 1311222332393. The next prime is 1311222332449. The reversal of 1311222332417 is 7142332221131.

It is an a-pointer prime, because the next prime (1311222332449) can be obtained adding 1311222332417 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1310008437136 + 1213895281 = 1144556^2 + 34841^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311222332417 - 2¹⁶ = 1311222266881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311222332117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655611166208 + 655611166209.

It is an arithmetic number, because the mean of its divisors is an integer number (655611166209).

Almost surely, 2^{1311222332417} is an apocalyptic number.

It is an amenable number.

1311222332417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311222332417 is an equidigital number, since it uses as much as digits as its factorization.

1311222332417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

Adding to 1311222332417 its reverse (7142332221131), we get a palindrome (8453554553548).

The spelling of 1311222332417 in words is "one trillion, three hundred eleven billion, two hundred twenty-two million, three hundred thirty-two thousand, four hundred seventeen".