304232130431 has 4 divisors (see below), whose sum is σ = 304379603232. Its totient is φ = 304084657632.

The previous prime is 304232130427. The next prime is 304232130437. The reversal of 304232130431 is 134031232403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 304232130431 - 2² = 304232130427 is a prime.

It is a super-2 number, since 2×304232130431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304232130431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304232130437) 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, 73733306 + ... + 73737431.

It is an arithmetic number, because the mean of its divisors is an integer number (76094900808).

Almost surely, 2^304232130431 is an apocalyptic number.

304232130431 is a deficient number, since it is larger than the sum of its proper divisors (147472801).

304232130431 is a wasteful number, since it uses less digits than its factorization.

304232130431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147472800.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 304232130431 its reverse (134031232403), we get a palindrome (438263362834).

The spelling of 304232130431 in words is "three hundred four billion, two hundred thirty-two million, one hundred thirty thousand, four hundred thirty-one".