1013112443 has 8 divisors (see below), whose sum is σ = 1158993888. Its totient is φ = 867518784.

The previous prime is 1013112439. The next prime is 1013112521. The reversal of 1013112443 is 3442113101.

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 1013112443 - 2² = 1013112439 is a prime.

It is a super-2 number, since 2×1013112443² = 2052793644322856498, which contains 22 as substring.

It is a Duffinian number.

1013112443 is a modest number, since divided by 112443 gives 1013 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1013112403) 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 7 ways as a sum of consecutive naturals, for example, 64346 + ... + 78527.

It is an arithmetic number, because the mean of its divisors is an integer number (144874236).

Almost surely, 2^1013112443 is an apocalyptic number.

1013112443 is a deficient number, since it is larger than the sum of its proper divisors (145881445).

1013112443 is a wasteful number, since it uses less digits than its factorization.

1013112443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143893.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1013112443 is about 31829.4273118446. The cubic root of 1013112443 is about 1004.3518482773.

Adding to 1013112443 its reverse (3442113101), we get a palindrome (4455225544).

The spelling of 1013112443 in words is "one billion, thirteen million, one hundred twelve thousand, four hundred forty-three".