1313203011313 has 8 divisors (see below), whose sum is σ = 1326231913320. Its totient is φ = 1300174636800.

The previous prime is 1313203011283. The next prime is 1313203011317. The reversal of 1313203011313 is 3131103023131.

It can be written as a sum of positive squares in 4 ways, for example, as 45612999184 + 1267590012129 = 213572^2 + 1125873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313203011313 - 2³⁷ = 1175764057841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313203011317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6534393 + ... + 6732361.

It is an arithmetic number, because the mean of its divisors is an integer number (165778989165).

Almost surely, 2^{1313203011313} is an apocalyptic number.

It is an amenable number.

1313203011313 is a deficient number, since it is larger than the sum of its proper divisors (13028902007).

1313203011313 is a wasteful number, since it uses less digits than its factorization.

1313203011313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263747.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1313203011313 its reverse (3131103023131), we get a palindrome (4444306034444).

The spelling of 1313203011313 in words is "one trillion, three hundred thirteen billion, two hundred three million, eleven thousand, three hundred thirteen".