304512320431431 has 96 divisors (see below), whose sum is σ = 566888156190720. Its totient is φ = 159345079220736.

The previous prime is 304512320431393. The next prime is 304512320431489. The reversal of 304512320431431 is 134134023215403.

304512320431431 is a `hidden beast` number, since 3 + 0 + 4 + 5 + 12 + 3 + 204 + 3 + 1 + 431 = 666.

It is not a de Polignac number, because 304512320431431 - 2⁶ = 304512320431367 is a prime.

It is a super-2 number, since 2×304512320431431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304512320431931) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 141234991 + ... + 143374848.

It is an arithmetic number, because the mean of its divisors is an integer number (5905084960320).

Almost surely, 2^{304512320431431} is an apocalyptic number.

304512320431431 is a deficient number, since it is larger than the sum of its proper divisors (262375835759289).

304512320431431 is a wasteful number, since it uses less digits than its factorization.

304512320431431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284609915 (or 284609903 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 304512320431431 its reverse (134134023215403), we get a palindrome (438646343646834).

The spelling of 304512320431431 in words is "three hundred four trillion, five hundred twelve billion, three hundred twenty million, four hundred thirty-one thousand, four hundred thirty-one".