30117513 has 8 divisors (see below), whose sum is σ = 40196128. Its totient is φ = 20058624.

The previous prime is 30117499. The next prime is 30117539. The reversal of 30117513 is 31571103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30117513 - 2²¹ = 28020361 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 30117513.

It is not an unprimeable number, because it can be changed into a prime (30117313) 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 7 ways as a sum of consecutive naturals, for example, 895 + ... + 7812.

It is an arithmetic number, because the mean of its divisors is an integer number (5024516).

Almost surely, 2^30117513 is an apocalyptic number.

It is an amenable number.

30117513 is a deficient number, since it is larger than the sum of its proper divisors (10078615).

30117513 is a wasteful number, since it uses less digits than its factorization.

30117513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9863.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 30117513 is about 5487.9425106318. The cubic root of 30117513 is about 311.1284333562.

Adding to 30117513 its reverse (31571103), we get a palindrome (61688616).

The spelling of 30117513 in words is "thirty million, one hundred seventeen thousand, five hundred thirteen".