304320133312 has 84 divisors (see below), whose sum is σ = 682342745040. Its totient is φ = 134348577792.

The previous prime is 304320133309. The next prime is 304320133379. The reversal of 304320133312 is 213331023403.

It is a super-2 number, since 2×304320133312² (a number of 24 digits) contains 22 as substring.

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, 362887 + ... + 860422.

Almost surely, 2^304320133312 is an apocalyptic number.

304320133312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

304320133312 is an abundant number, since it is smaller than the sum of its proper divisors (378022611728).

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

304320133312 is a wasteful number, since it uses less digits than its factorization.

304320133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223370 (or 1223347 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 304320133312 its reverse (213331023403), we get a palindrome (517651156715).

The spelling of 304320133312 in words is "three hundred four billion, three hundred twenty million, one hundred thirty-three thousand, three hundred twelve".