1313552110603 has 4 divisors (see below), whose sum is σ = 1313590904920. Its totient is φ = 1313513316288.

The previous prime is 1313552110589. The next prime is 1313552110627. The reversal of 1313552110603 is 3060112553131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313552110603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313552110903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19346325 + ... + 19414102.

It is an arithmetic number, because the mean of its divisors is an integer number (328397726230).

Almost surely, 2^{1313552110603} is an apocalyptic number.

1313552110603 is a deficient number, since it is larger than the sum of its proper divisors (38794317).

1313552110603 is an equidigital number, since it uses as much as digits as its factorization.

1313552110603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38794316.

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 1313552110603 its reverse (3060112553131), we get a palindrome (4373664663734).

The spelling of 1313552110603 in words is "one trillion, three hundred thirteen billion, five hundred fifty-two million, one hundred ten thousand, six hundred three".