1313202705543 has 6 divisors (see below), whose sum is σ = 1896848352464. Its totient is φ = 875468470356.

The previous prime is 1313202705533. The next prime is 1313202705557. The reversal of 1313202705543 is 3455072023131.

1313202705543 is a `hidden beast` number, since 1 + 3 + 1 + 32 + 0 + 2 + 70 + 554 + 3 = 666.

It is not a de Polignac number, because 1313202705543 - 2⁴⁰ = 213691077767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313202705498 and 1313202705507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313202705523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72955705855 + ... + 72955705872.

Almost surely, 2^{1313202705543} is an apocalyptic number.

1313202705543 is a deficient number, since it is larger than the sum of its proper divisors (583645646921).

1313202705543 is a wasteful number, since it uses less digits than its factorization.

1313202705543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145911411733 (or 145911411730 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

Adding to 1313202705543 its reverse (3455072023131), we get a palindrome (4768274728674).

The spelling of 1313202705543 in words is "one trillion, three hundred thirteen billion, two hundred two million, seven hundred five thousand, five hundred forty-three".