131311103225317 has 2 divisors, whose sum is σ = 131311103225318. Its totient is φ = 131311103225316.

The previous prime is 131311103225221. The next prime is 131311103225353. The reversal of 131311103225317 is 713522301113131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115196988476196 + 16114114749121 = 10732986^2 + 4014239^2 .

It is a cyclic number.

It is not a de Polignac number, because 131311103225317 - 2¹⁹ = 131311102701029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131311103225417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65655551612658 + 65655551612659.

It is an arithmetic number, because the mean of its divisors is an integer number (65655551612659).

Almost surely, 2^{131311103225317} is an apocalyptic number.

It is an amenable number.

131311103225317 is a deficient number, since it is larger than the sum of its proper divisors (1).

131311103225317 is an equidigital number, since it uses as much as digits as its factorization.

131311103225317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

Adding to 131311103225317 its reverse (713522301113131), we get a palindrome (844833404338448).

The spelling of 131311103225317 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred three million, two hundred twenty-five thousand, three hundred seventeen".