1304323130 has 48 divisors (see below), whose sum is σ = 2732463720. Its totient is φ = 446392320.

The previous prime is 1304323067. The next prime is 1304323133. The reversal of 1304323130 is 313234031.

It can be written as a sum of positive squares in 4 ways, for example, as 917060089 + 387263041 = 30283^2 + 19679^2 .

It is not an unprimeable number, because it can be changed into a prime (1304323133) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11135 + ... + 52274.

Almost surely, 2^1304323130 is an apocalyptic number.

1304323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304323130 is an abundant number, since it is smaller than the sum of its proper divisors (1428140590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304323130 is a wasteful number, since it uses less digits than its factorization.

1304323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63455 (or 63444 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1304323130 is about 36115.4140222703. The cubic root of 1304323130 is about 1092.6013478863.

Adding to 1304323130 its reverse (313234031), we get a palindrome (1617557161).

The spelling of 1304323130 in words is "one billion, three hundred four million, three hundred twenty-three thousand, one hundred thirty".