1304323312 has 20 divisors (see below), whose sum is σ = 2528213680. Its totient is φ = 651881088.

The previous prime is 1304323303. The next prime is 1304323369. The reversal of 1304323312 is 2133234031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23764 + ... + 56332.

It is an arithmetic number, because the mean of its divisors is an integer number (126410684).

Almost surely, 2^1304323312 is an apocalyptic number.

It is an amenable number.

1304323312 is a deficient number, since it is larger than the sum of its proper divisors (1223890368).

1304323312 is a wasteful number, since it uses less digits than its factorization.

1304323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35080 (or 35074 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1304323312 is about 36115.4165419700. The cubic root of 1304323312 is about 1092.6013987054.

Adding to 1304323312 its reverse (2133234031), we get a palindrome (3437557343).

The spelling of 1304323312 in words is "one billion, three hundred four million, three hundred twenty-three thousand, three hundred twelve".