228511163317 has 2 divisors, whose sum is σ = 228511163318. Its totient is φ = 228511163316.

The previous prime is 228511163281. The next prime is 228511163389. The reversal of 228511163317 is 713361115822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211704892996 + 16806270321 = 460114^2 + 129639^2 .

It is a cyclic number.

It is not a de Polignac number, because 228511163317 - 2⁷ = 228511163189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228511163317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228511163117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114255581658 + 114255581659.

It is an arithmetic number, because the mean of its divisors is an integer number (114255581659).

Almost surely, 2^228511163317 is an apocalyptic number.

It is an amenable number.

228511163317 is a deficient number, since it is larger than the sum of its proper divisors (1).

228511163317 is an equidigital number, since it uses as much as digits as its factorization.

228511163317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The spelling of 228511163317 in words is "two hundred twenty-eight billion, five hundred eleven million, one hundred sixty-three thousand, three hundred seventeen".