1313103543 has 8 divisors (see below), whose sum is σ = 1751235456. Its totient is φ = 875187000.

The previous prime is 1313103529. The next prime is 1313103551. The reversal of 1313103543 is 3453013131.

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

It is not a de Polignac number, because 1313103543 - 2⁴ = 1313103527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313103563) 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 7 ways as a sum of consecutive naturals, for example, 39033 + ... + 64418.

It is an arithmetic number, because the mean of its divisors is an integer number (218904432).

Almost surely, 2^1313103543 is an apocalyptic number.

1313103543 is a deficient number, since it is larger than the sum of its proper divisors (438131913).

1313103543 is a wasteful number, since it uses less digits than its factorization.

1313103543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107685.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1313103543 is about 36236.7705928660. The cubic root of 1313103543 is about 1095.0475832620.

Adding to 1313103543 its reverse (3453013131), we get a palindrome (4766116674).

The spelling of 1313103543 in words is "one billion, three hundred thirteen million, one hundred three thousand, five hundred forty-three".