1313043113 has 8 divisors (see below), whose sum is σ = 1373718528. Its totient is φ = 1252666624.

The previous prime is 1313043107. The next prime is 1313043131. The reversal of 1313043113 is 3113403131.

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 1313043113 - 2⁴ = 1313043097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1313043133) 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, 65720 + ... + 83337.

It is an arithmetic number, because the mean of its divisors is an integer number (171714816).

Almost surely, 2^1313043113 is an apocalyptic number.

It is an amenable number.

1313043113 is a deficient number, since it is larger than the sum of its proper divisors (60675415).

1313043113 is a wasteful number, since it uses less digits than its factorization.

1313043113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149463.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1313043113 is about 36235.9367617287. The cubic root of 1313043113 is about 1095.0307847033.

Adding to 1313043113 its reverse (3113403131), we get a palindrome (4426446244).

The spelling of 1313043113 in words is "one billion, three hundred thirteen million, forty-three thousand, one hundred thirteen".