1303313303 has 4 divisors (see below), whose sum is σ = 1371908760. Its totient is φ = 1234717848.

The previous prime is 1303313269. The next prime is 1303313309. The reversal of 1303313303 is 3033133031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1303313303 - 2¹⁶ = 1303247767 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 (1303313309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34297700 + ... + 34297737.

It is an arithmetic number, because the mean of its divisors is an integer number (342977190).

Almost surely, 2^1303313303 is an apocalyptic number.

1303313303 is a deficient number, since it is larger than the sum of its proper divisors (68595457).

1303313303 is an equidigital number, since it uses as much as digits as its factorization.

1303313303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68595456.

The product of its (nonzero) digits is 729, while the sum is 20.

The square root of 1303313303 is about 36101.4307611208. The cubic root of 1303313303 is about 1092.3193055051.

Adding to 1303313303 its reverse (3033133031), we get a palindrome (4336446334).

The spelling of 1303313303 in words is "one billion, three hundred three million, three hundred thirteen thousand, three hundred three".