30481919911 has 2 divisors, whose sum is σ = 30481919912. Its totient is φ = 30481919910.

The previous prime is 30481919903. The next prime is 30481919927. The reversal of 30481919911 is 11991918403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30481919911 - 2³ = 30481919903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30481919311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15240959955 + 15240959956.

It is an arithmetic number, because the mean of its divisors is an integer number (15240959956).

Almost surely, 2^30481919911 is an apocalyptic number.

30481919911 is a deficient number, since it is larger than the sum of its proper divisors (1).

30481919911 is an equidigital number, since it uses as much as digits as its factorization.

30481919911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 46.

The spelling of 30481919911 in words is "thirty billion, four hundred eighty-one million, nine hundred nineteen thousand, nine hundred eleven".