1313243411203 has 4 divisors (see below), whose sum is σ = 1313249218600. Its totient is φ = 1313237603808.

The previous prime is 1313243411083. The next prime is 1313243411231. The reversal of 1313243411203 is 3021143423131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313243411203 - 2⁹ = 1313243410691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313243411003) 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, 2550150 + ... + 3021547.

It is an arithmetic number, because the mean of its divisors is an integer number (328312304650).

Almost surely, 2^{1313243411203} is an apocalyptic number.

1313243411203 is a deficient number, since it is larger than the sum of its proper divisors (5807397).

1313243411203 is an equidigital number, since it uses as much as digits as its factorization.

1313243411203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807396.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1313243411203 its reverse (3021143423131), we get a palindrome (4334386834334).

The spelling of 1313243411203 in words is "one trillion, three hundred thirteen billion, two hundred forty-three million, four hundred eleven thousand, two hundred three".