30303117 has 12 divisors (see below), whose sum is σ = 47138364. Its totient is φ = 18648000.

The previous prime is 30303113. The next prime is 30303137. The reversal of 30303117 is 71130303.

It can be written as a sum of positive squares in 2 ways, for example, as 15139881 + 15163236 = 3891^2 + 3894^2 .

It is not a de Polignac number, because 30303117 - 2² = 30303113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30303117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129384 + ... + 129617.

It is an arithmetic number, because the mean of its divisors is an integer number (3928197).

Almost surely, 2^30303117 is an apocalyptic number.

It is an amenable number.

30303117 is a deficient number, since it is larger than the sum of its proper divisors (16835247).

30303117 is a wasteful number, since it uses less digits than its factorization.

30303117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259020 (or 259017 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 30303117 is about 5504.8267002695. The cubic root of 30303117 is about 311.7662512024.

The spelling of 30303117 in words is "thirty million, three hundred three thousand, one hundred seventeen".