30402420142141 has 2 divisors, whose sum is σ = 30402420142142. Its totient is φ = 30402420142140.

The previous prime is 30402420142117. The next prime is 30402420142177. The reversal of 30402420142141 is 14124102420403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23970287234916 + 6432132907225 = 4895946^2 + 2536165^2 .

It is a cyclic number.

It is not a de Polignac number, because 30402420142141 - 2⁷ = 30402420142013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30402420149141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15201210071070 + 15201210071071.

It is an arithmetic number, because the mean of its divisors is an integer number (15201210071071).

Almost surely, 2^{30402420142141} is an apocalyptic number.

It is an amenable number.

30402420142141 is a deficient number, since it is larger than the sum of its proper divisors (1).

30402420142141 is an equidigital number, since it uses as much as digits as its factorization.

30402420142141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 30402420142141 its reverse (14124102420403), we get a palindrome (44526522562544).

The spelling of 30402420142141 in words is "thirty trillion, four hundred two billion, four hundred twenty million, one hundred forty-two thousand, one hundred forty-one".