304123142331 has 24 divisors (see below), whose sum is σ = 449765377776. Its totient is φ = 197918965440.

The previous prime is 304123142317. The next prime is 304123142359. The reversal of 304123142331 is 133241321403.

It is a happy number.

304123142331 is a `hidden beast` number, since 3 + 0 + 4 + 1 + 231 + 423 + 3 + 1 = 666.

It is not a de Polignac number, because 304123142331 - 2⁷ = 304123142203 is a prime.

It is a super-2 number, since 2×304123142331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304123142295 and 304123142304.

It is not an unprimeable number, because it can be changed into a prime (304123142371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443941 + ... + 897401.

It is an arithmetic number, because the mean of its divisors is an integer number (18740224074).

Almost surely, 2^304123142331 is an apocalyptic number.

304123142331 is a deficient number, since it is larger than the sum of its proper divisors (145642235445).

304123142331 is a wasteful number, since it uses less digits than its factorization.

304123142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455243 (or 455240 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 304123142331 its reverse (133241321403), we get a palindrome (437364463734).

The spelling of 304123142331 in words is "three hundred four billion, one hundred twenty-three million, one hundred forty-two thousand, three hundred thirty-one".