30424210391 has 2 divisors, whose sum is σ = 30424210392. Its totient is φ = 30424210390.

The previous prime is 30424210357. The next prime is 30424210403. The reversal of 30424210391 is 19301242403.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30424210391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30424210301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15212105195 + 15212105196.

It is an arithmetic number, because the mean of its divisors is an integer number (15212105196).

Almost surely, 2^30424210391 is an apocalyptic number.

30424210391 is a deficient number, since it is larger than the sum of its proper divisors (1).

30424210391 is an equidigital number, since it uses as much as digits as its factorization.

30424210391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 30424210391 its reverse (19301242403), we get a palindrome (49725452794).

The spelling of 30424210391 in words is "thirty billion, four hundred twenty-four million, two hundred ten thousand, three hundred ninety-one".