30345103979 has 2 divisors, whose sum is σ = 30345103980. Its totient is φ = 30345103978.

The previous prime is 30345103963. The next prime is 30345104047. The reversal of 30345103979 is 97930154303.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30345103979 - 2⁴ = 30345103963 is a prime.

It is not a weakly prime, because it can be changed into another prime (30345103909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15172551989 + 15172551990.

It is an arithmetic number, because the mean of its divisors is an integer number (15172551990).

Almost surely, 2^30345103979 is an apocalyptic number.

30345103979 is a deficient number, since it is larger than the sum of its proper divisors (1).

30345103979 is an equidigital number, since it uses as much as digits as its factorization.

30345103979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 44.

The spelling of 30345103979 in words is "thirty billion, three hundred forty-five million, one hundred three thousand, nine hundred seventy-nine".