1313200303 has 4 divisors (see below), whose sum is σ = 1313273320. Its totient is φ = 1313127288.

The previous prime is 1313200297. The next prime is 1313200307. The reversal of 1313200303 is 3030023131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3030023131 = 991 ⋅3057541.

It is a cyclic number.

It is not a de Polignac number, because 1313200303 - 2⁹ = 1313199791 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 (1313200307) 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 3 ways as a sum of consecutive naturals, for example, 11608 + ... + 52546.

It is an arithmetic number, because the mean of its divisors is an integer number (328318330).

Almost surely, 2^1313200303 is an apocalyptic number.

1313200303 is a deficient number, since it is larger than the sum of its proper divisors (73017).

1313200303 is an equidigital number, since it uses as much as digits as its factorization.

1313200303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73016.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1313200303 is about 36238.1056762077. The cubic root of 1313200303 is about 1095.0744798974.

Adding to 1313200303 its reverse (3030023131), we get a palindrome (4343223434).

The spelling of 1313200303 in words is "one billion, three hundred thirteen million, two hundred thousand, three hundred three".