30112117 has 24 divisors (see below), whose sum is σ = 38130264. Its totient is φ = 23611392.

The previous prime is 30112111. The next prime is 30112123. The reversal of 30112117 is 71121103.

It is an interprime number because it is at equal distance from previous prime (30112111) and next prime (30112123).

It can be written as a sum of positive squares in 4 ways, for example, as 22193521 + 7918596 = 4711^2 + 2814^2 .

It is not a de Polignac number, because 30112117 - 2¹⁵ = 30079349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30112117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30333 + ... + 31309.

It is an arithmetic number, because the mean of its divisors is an integer number (1588761).

Almost surely, 2^30112117 is an apocalyptic number.

30112117 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

30112117 is a deficient number, since it is larger than the sum of its proper divisors (8018147).

30112117 is a wasteful number, since it uses less digits than its factorization.

30112117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 30112117 is about 5487.4508653837. The cubic root of 30112117 is about 311.1098511523.

The spelling of 30112117 in words is "thirty million, one hundred twelve thousand, one hundred seventeen".