1013043113 has 4 divisors (see below), whose sum is σ = 1032157188. Its totient is φ = 993929040.

The previous prime is 1013043089. The next prime is 1013043133. The reversal of 1013043113 is 3113403101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 758066089 + 254977024 = 27533^2 + 15968^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013043113 - 2²⁰ = 1011994537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013043091 and 1013043100.

It is not an unprimeable number, because it can be changed into a prime (1013043133) 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, 9556958 + ... + 9557063.

It is an arithmetic number, because the mean of its divisors is an integer number (258039297).

Almost surely, 2^1013043113 is an apocalyptic number.

It is an amenable number.

1013043113 is a deficient number, since it is larger than the sum of its proper divisors (19114075).

1013043113 is an equidigital number, since it uses as much as digits as its factorization.

1013043113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19114074.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1013043113 is about 31828.3382066988. The cubic root of 1013043113 is about 1004.3289375917.

Adding to 1013043113 its reverse (3113403101), we get a palindrome (4126446214).

The spelling of 1013043113 in words is "one billion, thirteen million, forty-three thousand, one hundred thirteen".