1013043043 has 16 divisors (see below), whose sum is σ = 1043361792. Its totient is φ = 983268000.

The previous prime is 1013043023. The next prime is 1013043061. The reversal of 1013043043 is 3403403101.

It is a cyclic number.

It is not a de Polignac number, because 1013043043 - 2⁵ = 1013043011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013043043.

It is not an unprimeable number, because it can be changed into a prime (1013043023) 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 15 ways as a sum of consecutive naturals, for example, 2644830 + ... + 2645212.

It is an arithmetic number, because the mean of its divisors is an integer number (65210112).

Almost surely, 2^1013043043 is an apocalyptic number.

1013043043 is a deficient number, since it is larger than the sum of its proper divisors (30318749).

1013043043 is a wasteful number, since it uses less digits than its factorization.

1013043043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1013043043 is about 31828.3371070497. The cubic root of 1013043043 is about 1004.3289144590.

Adding to 1013043043 its reverse (3403403101), we get a palindrome (4416446144).

The spelling of 1013043043 in words is "one billion, thirteen million, forty-three thousand, forty-three".