30068081

This number is a prime.

The prime sum of the cubes of 7 consecutive Gaussian primes of the form 4n+3, i.e., 30068081 = 131^3 + 139^3 + 151^3 + 163^3 + 167^3 + 179^3 + 191^3. Note that 7 = 4 + 3. [Post]