1303304399 has 8 divisors (see below), whose sum is σ = 1348651920. Its totient is φ = 1257984000.

The previous prime is 1303304381. The next prime is 1303304419. The reversal of 1303304399 is 9934033031.

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 1303304399 - 2²⁸ = 1034868943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303304339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165839 + ... + 173519.

It is an arithmetic number, because the mean of its divisors is an integer number (168581490).

Almost surely, 2^1303304399 is an apocalyptic number.

1303304399 is a deficient number, since it is larger than the sum of its proper divisors (45347521).

1303304399 is an equidigital number, since it uses as much as digits as its factorization.

1303304399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13561.

The product of its (nonzero) digits is 26244, while the sum is 35.

The square root of 1303304399 is about 36101.3074416980. The cubic root of 1303304399 is about 1092.3168179904.

The spelling of 1303304399 in words is "one billion, three hundred three million, three hundred four thousand, three hundred ninety-nine".