30043451505242 has 16 divisors (see below), whose sum is σ = 51503142960960. Its totient is φ = 12875744121408.

The previous prime is 30043451505191. The next prime is 30043451505247. The reversal of 30043451505242 is 24250515434003.

It is a junction number, because it is equal to n+sod(n) for n = 30043451505196 and 30043451505205.

It is not an unprimeable number, because it can be changed into a prime (30043451505247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9954434 + ... + 12616562.

It is an arithmetic number, because the mean of its divisors is an integer number (3218946435060).

Almost surely, 2^{30043451505242} is an apocalyptic number.

30043451505242 is a deficient number, since it is larger than the sum of its proper divisors (21459691455718).

30043451505242 is a wasteful number, since it uses less digits than its factorization.

30043451505242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468245.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 30043451505242 its reverse (24250515434003), we get a palindrome (54293966939245).

The spelling of 30043451505242 in words is "thirty trillion, forty-three billion, four hundred fifty-one million, five hundred five thousand, two hundred forty-two".