1304331307 has 8 divisors (see below), whose sum is σ = 1381690656. Its totient is φ = 1227042432.

The previous prime is 1304331269. The next prime is 1304331359. The reversal of 1304331307 is 7031334031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304331307 - 2¹⁵ = 1304298539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304331367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23218 + ... + 56104.

It is an arithmetic number, because the mean of its divisors is an integer number (172711332).

Almost surely, 2^1304331307 is an apocalyptic number.

1304331307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1304331307 is a deficient number, since it is larger than the sum of its proper divisors (77359349).

1304331307 is a wasteful number, since it uses less digits than its factorization.

1304331307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35237.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 1304331307 is about 36115.5272286035. The cubic root of 1304331307 is about 1092.6036311095.

Adding to 1304331307 its reverse (7031334031), we get a palindrome (8335665338).

The spelling of 1304331307 in words is "one billion, three hundred four million, three hundred thirty-one thousand, three hundred seven".