30142433142103 has 4 divisors (see below), whose sum is σ = 30150268454800. Its totient is φ = 30134597829408.

The previous prime is 30142433142097. The next prime is 30142433142167. The reversal of 30142433142103 is 30124133424103.

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 30142433142103 - 2⁵ = 30142433142071 is a prime.

It is a super-2 number, since 2×30142433142103² (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 (30742433142103) 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, 3917650578 + ... + 3917658271.

It is an arithmetic number, because the mean of its divisors is an integer number (7537567113700).

Almost surely, 2^{30142433142103} is an apocalyptic number.

30142433142103 is a deficient number, since it is larger than the sum of its proper divisors (7835312697).

30142433142103 is an equidigital number, since it uses as much as digits as its factorization.

30142433142103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835312696.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 30142433142103 its reverse (30124133424103), we get a palindrome (60266566566206).

The spelling of 30142433142103 in words is "thirty trillion, one hundred forty-two billion, four hundred thirty-three million, one hundred forty-two thousand, one hundred three".