1313023001313 has 4 divisors (see below), whose sum is σ = 1750697335088. Its totient is φ = 875348667540.

The previous prime is 1313023001299. The next prime is 1313023001333. The reversal of 1313023001313 is 3131003203131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1313023001313 - 2²⁶ = 1312955892449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313023001313.

It is not an unprimeable number, because it can be changed into a prime (1313023001333) 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, 218837166883 + ... + 218837166888.

It is an arithmetic number, because the mean of its divisors is an integer number (437674333772).

Almost surely, 2^{1313023001313} is an apocalyptic number.

It is an amenable number.

1313023001313 is a deficient number, since it is larger than the sum of its proper divisors (437674333775).

1313023001313 is an equidigital number, since it uses as much as digits as its factorization.

1313023001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437674333774.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1313023001313 its reverse (3131003203131), we get a palindrome (4444026204444).

The spelling of 1313023001313 in words is "one trillion, three hundred thirteen billion, twenty-three million, one thousand, three hundred thirteen".