30313286917 has 2 divisors, whose sum is σ = 30313286918. Its totient is φ = 30313286916.

The previous prime is 30313286909. The next prime is 30313286921. The reversal of 30313286917 is 71968231303.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26597043396 + 3716243521 = 163086^2 + 60961^2 .

It is a cyclic number.

It is not a de Polignac number, because 30313286917 - 2³ = 30313286909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30313280917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156643458 + 15156643459.

It is an arithmetic number, because the mean of its divisors is an integer number (15156643459).

Almost surely, 2^30313286917 is an apocalyptic number.

It is an amenable number.

30313286917 is a deficient number, since it is larger than the sum of its proper divisors (1).

30313286917 is an equidigital number, since it uses as much as digits as its factorization.

30313286917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 30313286917 in words is "thirty billion, three hundred thirteen million, two hundred eighty-six thousand, nine hundred seventeen".