30105424042543 has 4 divisors (see below), whose sum is σ = 30106064725888. Its totient is φ = 30104783359200.

The previous prime is 30105424042513. The next prime is 30105424042559. The reversal of 30105424042543 is 34524042450103.

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 30105424042543 - 2¹³ = 30105424034351 is a prime.

It is a super-2 number, since 2×30105424042543² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30105424042513) 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, 320271183 + ... + 320365168.

It is an arithmetic number, because the mean of its divisors is an integer number (7526516181472).

Almost surely, 2^{30105424042543} is an apocalyptic number.

30105424042543 is a deficient number, since it is larger than the sum of its proper divisors (640683345).

30105424042543 is an equidigital number, since it uses as much as digits as its factorization.

30105424042543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640683344.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 30105424042543 its reverse (34524042450103), we get a palindrome (64629466492646).

The spelling of 30105424042543 in words is "thirty trillion, one hundred five billion, four hundred twenty-four million, forty-two thousand, five hundred forty-three".