30308300505 has 36 divisors (see below), whose sum is σ = 61111434852. Its totient is φ = 13855222080.

The previous prime is 30308300497. The next prime is 30308300507. The reversal of 30308300505 is 50500380303.

30308300505 is a `hidden beast` number, since 3 + 0 + 308 + 300 + 50 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16040475801 + 14267824704 = 126651^2 + 119448^2 .

It is not a de Polignac number, because 30308300505 - 2³ = 30308300497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30308300507) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6870426 + ... + 6874835.

It is an arithmetic number, because the mean of its divisors is an integer number (1697539857).

Almost surely, 2^30308300505 is an apocalyptic number.

30308300505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30308300505 is an abundant number, since it is smaller than the sum of its proper divisors (30803134347).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30308300505 is a wasteful number, since it uses less digits than its factorization.

30308300505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13745286 (or 13745276 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 30308300505 its reverse (50500380303), we get a palindrome (80808680808).

The spelling of 30308300505 in words is "thirty billion, three hundred eight million, three hundred thousand, five hundred five".