30142042141 has 2 divisors, whose sum is σ = 30142042142. Its totient is φ = 30142042140.

The previous prime is 30142042121. The next prime is 30142042157. The reversal of 30142042141 is 14124024103.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27471736516 + 2670305625 = 165746^2 + 51675^2 .

It is a cyclic number.

It is not a de Polignac number, because 30142042141 - 2¹⁹ = 30141517853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30142042121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071021070 + 15071021071.

It is an arithmetic number, because the mean of its divisors is an integer number (15071021071).

Almost surely, 2^30142042141 is an apocalyptic number.

It is an amenable number.

30142042141 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142042141 is an equidigital number, since it uses as much as digits as its factorization.

30142042141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 30142042141 its reverse (14124024103), we get a palindrome (44266066244).

The spelling of 30142042141 in words is "thirty billion, one hundred forty-two million, forty-two thousand, one hundred forty-one".