# Brush up your number theory skills!

Number Theory Level 4

Find sum of all the primes of the form $${ n }^{ n }+1$$, where $$n$$ is an integer, which are less than $${ 10 }^{ 19 }$$.

If the answer is $$x$$, submit your answer as $$x + (x \bmod {33} )$$.

×