30042343505 has 8 divisors (see below), whose sum is σ = 37213741824. Its totient is φ = 23258588400.

The previous prime is 30042343451. The next prime is 30042343531. The reversal of 30042343505 is 50534324003.

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

It is not a de Polignac number, because 30042343505 - 2²⁴ = 30025566289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 96910631 + ... + 96910940.

It is an arithmetic number, because the mean of its divisors is an integer number (4651717728).

Almost surely, 2^30042343505 is an apocalyptic number.

It is an amenable number.

30042343505 is a deficient number, since it is larger than the sum of its proper divisors (7171398319).

30042343505 is a wasteful number, since it uses less digits than its factorization.

30042343505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193821607.

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 30042343505 its reverse (50534324003), we get a palindrome (80576667508).

The spelling of 30042343505 in words is "thirty billion, forty-two million, three hundred forty-three thousand, five hundred five".