304131523213 has 4 divisors (see below), whose sum is σ = 347578883680. Its totient is φ = 260684162748.

The previous prime is 304131523151. The next prime is 304131523259. The reversal of 304131523213 is 312325131403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 304131523213 - 2¹⁷ = 304131392141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304131523613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21723680223 + ... + 21723680236.

It is an arithmetic number, because the mean of its divisors is an integer number (86894720920).

Almost surely, 2^304131523213 is an apocalyptic number.

It is an amenable number.

304131523213 is a deficient number, since it is larger than the sum of its proper divisors (43447360467).

304131523213 is an equidigital number, since it uses as much as digits as its factorization.

304131523213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43447360466.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 304131523213 its reverse (312325131403), we get a palindrome (616456654616).

The spelling of 304131523213 in words is "three hundred four billion, one hundred thirty-one million, five hundred twenty-three thousand, two hundred thirteen".