30517315304 has 16 divisors (see below), whose sum is σ = 65394247200. Its totient is φ = 13078849392.

The previous prime is 30517315303. The next prime is 30517315319. The reversal of 30517315304 is 40351371503.

It is a super-2 number, since 2×30517315304² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30517315303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272475974 + ... + 272476085.

It is an arithmetic number, because the mean of its divisors is an integer number (4087140450).

Almost surely, 2^30517315304 is an apocalyptic number.

It is an amenable number.

30517315304 is an abundant number, since it is smaller than the sum of its proper divisors (34876931896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30517315304 is a wasteful number, since it uses less digits than its factorization.

30517315304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544952072 (or 544952068 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

Adding to 30517315304 its reverse (40351371503), we get a palindrome (70868686807).

The spelling of 30517315304 in words is "thirty billion, five hundred seventeen million, three hundred fifteen thousand, three hundred four".