1313001303 has 16 divisors (see below), whose sum is σ = 1813025280. Its totient is φ = 844222176.

The previous prime is 1313001241. The next prime is 1313001379. The reversal of 1313001303 is 3031003131.

It is not a de Polignac number, because 1313001303 - 2¹⁰ = 1313000279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313001803) 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 15 ways as a sum of consecutive naturals, for example, 76326 + ... + 91932.

It is an arithmetic number, because the mean of its divisors is an integer number (113314080).

Almost surely, 2^1313001303 is an apocalyptic number.

1313001303 is a deficient number, since it is larger than the sum of its proper divisors (500023977).

1313001303 is a wasteful number, since it uses less digits than its factorization.

1313001303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16606.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 1313001303 is about 36235.3598436665. The cubic root of 1313001303 is about 1095.0191619007.

Adding to 1313001303 its reverse (3031003131), we get a palindrome (4344004434).

The spelling of 1313001303 in words is "one billion, three hundred thirteen million, one thousand, three hundred three".