30530117 has 4 divisors (see below), whose sum is σ = 31274796. Its totient is φ = 29785440.

The previous prime is 30530111. The next prime is 30530153. The reversal of 30530117 is 71103503.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71103503 = 17 ⋅4182559.

It can be written as a sum of positive squares in 2 ways, for example, as 2163841 + 28366276 = 1471^2 + 5326^2 .

It is a cyclic number.

It is not a de Polignac number, because 30530117 - 2⁶ = 30530053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30530111) 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 in 3 ways as a sum of consecutive naturals, for example, 372278 + ... + 372359.

It is an arithmetic number, because the mean of its divisors is an integer number (7818699).

Almost surely, 2^30530117 is an apocalyptic number.

It is an amenable number.

30530117 is a deficient number, since it is larger than the sum of its proper divisors (744679).

30530117 is an equidigital number, since it uses as much as digits as its factorization.

30530117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744678.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 30530117 is about 5525.4065008830. The cubic root of 30530117 is about 312.5427934996.

The spelling of 30530117 in words is "thirty million, five hundred thirty thousand, one hundred seventeen".