1313320002003 has 12 divisors (see below), whose sum is σ = 1897580570808. Its totient is φ = 875286918720.

The previous prime is 1313320001947. The next prime is 1313320002083. The reversal of 1313320002003 is 3002000233131.

1313320002003 is a `hidden beast` number, since 131 + 332 + 0 + 0 + 0 + 200 + 3 = 666.

It is not a de Polignac number, because 1313320002003 - 2⁹ = 1313320001491 is a prime.

It is a super-2 number, since 2×1313320002003² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313320002083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21613750 + ... + 21674427.

It is an arithmetic number, because the mean of its divisors is an integer number (158131714234).

Almost surely, 2^{1313320002003} is an apocalyptic number.

1313320002003 is a deficient number, since it is larger than the sum of its proper divisors (584260568805).

1313320002003 is a wasteful number, since it uses less digits than its factorization.

1313320002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43291554 (or 43291551 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 1313320002003 its reverse (3002000233131), we get a palindrome (4315320235134).

The spelling of 1313320002003 in words is "one trillion, three hundred thirteen billion, three hundred twenty million, two thousand, three".