30508117242 has 8 divisors (see below), whose sum is σ = 61016234496. Its totient is φ = 10169372412.

The previous prime is 30508117223. The next prime is 30508117243. The reversal of 30508117242 is 24271180503.

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

30508117242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (30508117243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542343098 + ... + 2542343109.

It is an arithmetic number, because the mean of its divisors is an integer number (7627029312).

Almost surely, 2^30508117242 is an apocalyptic number.

30508117242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30508117242 is a wasteful number, since it uses less digits than its factorization.

30508117242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084686212.

The product of its (nonzero) digits is 13440, while the sum is 33.

Adding to 30508117242 its reverse (24271180503), we get a palindrome (54779297745).

The spelling of 30508117242 in words is "thirty billion, five hundred eight million, one hundred seventeen thousand, two hundred forty-two".