305305404445113 has 32 divisors (see below), whose sum is σ = 412001979801600. Its totient is φ = 201088422849600.

The previous prime is 305305404445087. The next prime is 305305404445121. The reversal of 305305404445113 is 311544404503503.

It is not a de Polignac number, because 305305404445113 - 2⁶ = 305305404445049 is a prime.

It is a super-2 number, since 2×305305404445113² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (305305404445183) 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 in 31 ways as a sum of consecutive naturals, for example, 214109695 + ... + 215530907.

It is an arithmetic number, because the mean of its divisors is an integer number (12875061868800).

Almost surely, 2^{305305404445113} is an apocalyptic number.

It is an amenable number.

305305404445113 is a deficient number, since it is larger than the sum of its proper divisors (106696575356487).

305305404445113 is a wasteful number, since it uses less digits than its factorization.

305305404445113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423949.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 305305404445113 its reverse (311544404503503), we get a palindrome (616849808948616).

The spelling of 305305404445113 in words is "three hundred five trillion, three hundred five billion, four hundred four million, four hundred forty-five thousand, one hundred thirteen".