30002142443443 has 4 divisors (see below), whose sum is σ = 30157593958888. Its totient is φ = 29846690928000.

The previous prime is 30002142443369. The next prime is 30002142443477. The reversal of 30002142443443 is 34434424120003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30002142443443 - 2⁹ = 30002142442931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30002142443399 and 30002142443408.

It is not an unprimeable number, because it can be changed into a prime (30002142413443) 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, 77725757433 + ... + 77725757818.

It is an arithmetic number, because the mean of its divisors is an integer number (7539398489722).

Almost surely, 2^{30002142443443} is an apocalyptic number.

30002142443443 is a deficient number, since it is larger than the sum of its proper divisors (155451515445).

30002142443443 is a wasteful number, since it uses less digits than its factorization.

30002142443443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155451515444.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 30002142443443 its reverse (34434424120003), we get a palindrome (64436566563446).

The spelling of 30002142443443 in words is "thirty trillion, two billion, one hundred forty-two million, four hundred forty-three thousand, four hundred forty-three".