1304330313 has 32 divisors (see below), whose sum is σ = 2045715840. Its totient is φ = 728778240.

The previous prime is 1304330257. The next prime is 1304330351. The reversal of 1304330313 is 3130334031.

It is not a de Polignac number, because 1304330313 - 2⁶ = 1304330249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304330313.

It is not an unprimeable number, because it can be changed into a prime (1304330393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 482995 + ... + 485687.

It is an arithmetic number, because the mean of its divisors is an integer number (63928620).

Almost surely, 2^1304330313 is an apocalyptic number.

1304330313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1304330313 is a deficient number, since it is larger than the sum of its proper divisors (741385527).

1304330313 is a wasteful number, since it uses less digits than its factorization.

1304330313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1304330313 is about 36115.5134672069. The cubic root of 1304330313 is about 1092.6033535604.

Adding to 1304330313 its reverse (3130334031), we get a palindrome (4434664344).

The spelling of 1304330313 in words is "one billion, three hundred four million, three hundred thirty thousand, three hundred thirteen".