30042320134237 has 2 divisors, whose sum is σ = 30042320134238. Its totient is φ = 30042320134236.

The previous prime is 30042320134231. The next prime is 30042320134279. The reversal of 30042320134237 is 73243102324003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21099792089401 + 8942528044836 = 4593451^2 + 2990406^2 .

It is an emirp because it is prime and its reverse (73243102324003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30042320134237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30042320134231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15021160067118 + 15021160067119.

It is an arithmetic number, because the mean of its divisors is an integer number (15021160067119).

Almost surely, 2^{30042320134237} is an apocalyptic number.

It is an amenable number.

30042320134237 is a deficient number, since it is larger than the sum of its proper divisors (1).

30042320134237 is an equidigital number, since it uses as much as digits as its factorization.

30042320134237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 34.

The spelling of 30042320134237 in words is "thirty trillion, forty-two billion, three hundred twenty million, one hundred thirty-four thousand, two hundred thirty-seven".