313144550417 has 2 divisors, whose sum is σ = 313144550418. Its totient is φ = 313144550416.

The previous prime is 313144550377. The next prime is 313144550429. The reversal of 313144550417 is 714055441313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174355518481 + 138789031936 = 417559^2 + 372544^2 .

It is a cyclic number.

It is not a de Polignac number, because 313144550417 - 2⁸ = 313144550161 is a prime.

It is not a weakly prime, because it can be changed into another prime (313144552417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156572275208 + 156572275209.

It is an arithmetic number, because the mean of its divisors is an integer number (156572275209).

Almost surely, 2^313144550417 is an apocalyptic number.

It is an amenable number.

313144550417 is a deficient number, since it is larger than the sum of its proper divisors (1).

313144550417 is an equidigital number, since it uses as much as digits as its factorization.

313144550417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 313144550417 in words is "three hundred thirteen billion, one hundred forty-four million, five hundred fifty thousand, four hundred seventeen".