30040987423217 has 2 divisors, whose sum is σ = 30040987423218. Its totient is φ = 30040987423216.

The previous prime is 30040987423207. The next prime is 30040987423219. The reversal of 30040987423217 is 71232478904003.

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., 23718156476641 + 6322830946576 = 4870129^2 + 2514524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30040987423217 is a prime.

Together with 30040987423219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30040987423219) 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, 15020493711608 + 15020493711609.

It is an arithmetic number, because the mean of its divisors is an integer number (15020493711609).

Almost surely, 2^{30040987423217} is an apocalyptic number.

It is an amenable number.

30040987423217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30040987423217 is an equidigital number, since it uses as much as digits as its factorization.

30040987423217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 30040987423217 in words is "thirty trillion, forty billion, nine hundred eighty-seven million, four hundred twenty-three thousand, two hundred seventeen".