305311530132 has 36 divisors (see below), whose sum is σ = 882011087776. Its totient is φ = 87231865680.

The previous prime is 305311530109. The next prime is 305311530143. The reversal of 305311530132 is 231035113503.

305311530132 is a `hidden beast` number, since 305 + 311 + 5 + 30 + 13 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 305311530096 and 305311530105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 605776594 + ... + 605777097.

Almost surely, 2^305311530132 is an apocalyptic number.

It is an amenable number.

305311530132 is an abundant number, since it is smaller than the sum of its proper divisors (576699557644).

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

305311530132 is a wasteful number, since it uses less digits than its factorization.

305311530132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211553708 (or 1211553703 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

Adding to 305311530132 its reverse (231035113503), we get a palindrome (536346643635).

The spelling of 305311530132 in words is "three hundred five billion, three hundred eleven million, five hundred thirty thousand, one hundred thirty-two".