304212404131 has 4 divisors (see below), whose sum is σ = 304739635912. Its totient is φ = 303685172352.

The previous prime is 304212404123. The next prime is 304212404149. The reversal of 304212404131 is 131404212403.

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 304212404131 - 2³ = 304212404123 is a prime.

It is a super-2 number, since 2×304212404131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304212404096 and 304212404105.

It is not an unprimeable number, because it can be changed into a prime (304212404731) 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, 263615025 + ... + 263616178.

It is an arithmetic number, because the mean of its divisors is an integer number (76184908978).

Almost surely, 2^304212404131 is an apocalyptic number.

304212404131 is a deficient number, since it is larger than the sum of its proper divisors (527231781).

304212404131 is an equidigital number, since it uses as much as digits as its factorization.

304212404131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527231780.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 304212404131 its reverse (131404212403), we get a palindrome (435616616534).

The spelling of 304212404131 in words is "three hundred four billion, two hundred twelve million, four hundred four thousand, one hundred thirty-one".