305130404232 has 48 divisors (see below), whose sum is σ = 833708095740. Its totient is φ = 100810042368.

The previous prime is 305130404209. The next prime is 305130404239. The reversal of 305130404232 is 232404031503.

It can be written as a sum of positive squares in 2 ways, for example, as 303903023076 + 1227381156 = 551274^2 + 35034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 305130404196 and 305130404205.

It is not an unprimeable number, because it can be changed into a prime (305130404239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18743733 + ... + 18760004.

Almost surely, 2^305130404232 is an apocalyptic number.

It is an amenable number.

305130404232 is an abundant number, since it is smaller than the sum of its proper divisors (528577691508).

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

305130404232 is a wasteful number, since it uses less digits than its factorization.

305130404232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37503862 (or 37503855 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 305130404232 its reverse (232404031503), we get a palindrome (537534435735).

The spelling of 305130404232 in words is "three hundred five billion, one hundred thirty million, four hundred four thousand, two hundred thirty-two".