30505441305 has 32 divisors (see below), whose sum is σ = 50948040960. Its totient is φ = 15556935680.

The previous prime is 30505441217. The next prime is 30505441409. The reversal of 30505441305 is 50314450503.

It is not a de Polignac number, because 30505441305 - 2⁷ = 30505441177 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1135225 + ... + 1161785.

It is an arithmetic number, because the mean of its divisors is an integer number (1592126280).

Almost surely, 2^30505441305 is an apocalyptic number.

It is an amenable number.

30505441305 is a deficient number, since it is larger than the sum of its proper divisors (20442599655).

30505441305 is a wasteful number, since it uses less digits than its factorization.

30505441305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29921.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 30505441305 its reverse (50314450503), we get a palindrome (80819891808).

The spelling of 30505441305 in words is "thirty billion, five hundred five million, four hundred forty-one thousand, three hundred five".