305403312130 has 32 divisors (see below), whose sum is σ = 637635240576. Its totient is φ = 103146873984.

The previous prime is 305403312113. The next prime is 305403312131. The reversal of 305403312130 is 31213304503.

It is a junction number, because it is equal to n+sod(n) for n = 305403312095 and 305403312104.

It is not an unprimeable number, because it can be changed into a prime (305403312131) 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 in 15 ways as a sum of consecutive naturals, for example, 32554299 + ... + 32563678.

It is an arithmetic number, because the mean of its divisors is an integer number (19926101268).

Almost surely, 2^305403312130 is an apocalyptic number.

305403312130 is an abundant number, since it is smaller than the sum of its proper divisors (332231928446).

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

305403312130 is a wasteful number, since it uses less digits than its factorization.

305403312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65118058.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 305403312130 its reverse (31213304503), we get a palindrome (336616616633).

The spelling of 305403312130 in words is "three hundred five billion, four hundred three million, three hundred twelve thousand, one hundred thirty".