30021442430143 has 4 divisors (see below), whose sum is σ = 30093092651160. Its totient is φ = 29949792209128.

The previous prime is 30021442430123. The next prime is 30021442430207. The reversal of 30021442430143 is 34103424412003.

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 30021442430143 - 2³⁷ = 29884003476671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021442430123) 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, 35825109880 + ... + 35825110717.

It is an arithmetic number, because the mean of its divisors is an integer number (7523273162790).

Almost surely, 2^{30021442430143} is an apocalyptic number.

30021442430143 is a deficient number, since it is larger than the sum of its proper divisors (71650221017).

30021442430143 is an equidigital number, since it uses as much as digits as its factorization.

30021442430143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71650221016.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 30021442430143 its reverse (34103424412003), we get a palindrome (64124866842146).

The spelling of 30021442430143 in words is "thirty trillion, twenty-one billion, four hundred forty-two million, four hundred thirty thousand, one hundred forty-three".