30206117 has 2 divisors, whose sum is σ = 30206118. Its totient is φ = 30206116.

The previous prime is 30206087. The next prime is 30206119. The reversal of 30206117 is 71160203.

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., 28206721 + 1999396 = 5311^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 30206117 - 2¹⁸ = 29943973 is a prime.

Together with 30206119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30206119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15103058 + 15103059.

It is an arithmetic number, because the mean of its divisors is an integer number (15103059).

Almost surely, 2^30206117 is an apocalyptic number.

It is an amenable number.

30206117 is a deficient number, since it is larger than the sum of its proper divisors (1).

30206117 is an equidigital number, since it uses as much as digits as its factorization.

30206117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 30206117 is about 5496.0091884930. The cubic root of 30206117 is about 311.4332419911.

The spelling of 30206117 in words is "thirty million, two hundred six thousand, one hundred seventeen".