1303304401 has 6 divisors (see below), whose sum is σ = 1516088850. Its totient is φ = 1117118016.

The previous prime is 1303304381. The next prime is 1303304419. The reversal of 1303304401 is 1044033031.

It can be written as a sum of positive squares in only one way, i.e., 864360000 + 438944401 = 29400^2 + 20951^2 .

It is not a de Polignac number, because 1303304401 - 2⁹ = 1303303889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303304441) 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 5 ways as a sum of consecutive naturals, for example, 13298976 + ... + 13299073.

It is an arithmetic number, because the mean of its divisors is an integer number (252681475).

Almost surely, 2^1303304401 is an apocalyptic number.

It is an amenable number.

1303304401 is a deficient number, since it is larger than the sum of its proper divisors (212784449).

1303304401 is an equidigital number, since it uses as much as digits as its factorization.

1303304401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26598063 (or 26598056 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1303304401 is about 36101.3074693978. The cubic root of 1303304401 is about 1092.3168185491.

Adding to 1303304401 its reverse (1044033031), we get a palindrome (2347337432).

The spelling of 1303304401 in words is "one billion, three hundred three million, three hundred four thousand, four hundred one".