30000142444321 has 8 divisors (see below), whose sum is σ = 34286014067264. Its totient is φ = 25714305068400.

The previous prime is 30000142444313. The next prime is 30000142444333. The reversal of 30000142444321 is 12344424100003.

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

It is a cyclic number.

It is not a de Polignac number, because 30000142444321 - 2³ = 30000142444313 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 30000142444321.

It is not an unprimeable number, because it can be changed into a prime (30000142414321) 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, 6656355 + ... + 10213096.

It is an arithmetic number, because the mean of its divisors is an integer number (4285751758408).

Almost surely, 2^{30000142444321} is an apocalyptic number.

It is an amenable number.

30000142444321 is a deficient number, since it is larger than the sum of its proper divisors (4285871622943).

30000142444321 is a wasteful number, since it uses less digits than its factorization.

30000142444321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17123511.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 30000142444321 its reverse (12344424100003), we get a palindrome (42344566544324).

The spelling of 30000142444321 in words is "thirty trillion, one hundred forty-two million, four hundred forty-four thousand, three hundred twenty-one".