30850117 has 2 divisors, whose sum is σ = 30850118. Its totient is φ = 30850116.

The previous prime is 30850111. The next prime is 30850151. The reversal of 30850117 is 71105803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16112196 + 14737921 = 4014^2 + 3839^2 .

It is an emirp because it is prime and its reverse (71105803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30850117 - 2³ = 30850109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30850091 and 30850100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30850111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15425058 + 15425059.

It is an arithmetic number, because the mean of its divisors is an integer number (15425059).

Almost surely, 2^30850117 is an apocalyptic number.

It is an amenable number.

30850117 is a deficient number, since it is larger than the sum of its proper divisors (1).

30850117 is an equidigital number, since it uses as much as digits as its factorization.

30850117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 30850117 is about 5554.2881632123. The cubic root of 30850117 is about 313.6309680053.

The spelling of 30850117 in words is "thirty million, eight hundred fifty thousand, one hundred seventeen".