1043430113 has 4 divisors (see below), whose sum is σ = 1138287408. Its totient is φ = 948572820.

The previous prime is 1043430109. The next prime is 1043430137. The reversal of 1043430113 is 3110343401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3110343401 = 11 ⋅282758491.

It is a cyclic number.

It is not a de Polignac number, because 1043430113 - 2² = 1043430109 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 (1043430313) 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, 47428631 + ... + 47428652.

It is an arithmetic number, because the mean of its divisors is an integer number (284571852).

Almost surely, 2^1043430113 is an apocalyptic number.

It is an amenable number.

1043430113 is a deficient number, since it is larger than the sum of its proper divisors (94857295).

1043430113 is an equidigital number, since it uses as much as digits as its factorization.

1043430113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94857294.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1043430113 is about 32302.1688590720. The cubic root of 1043430113 is about 1014.2720440615.

Adding to 1043430113 its reverse (3110343401), we get a palindrome (4153773514).

The spelling of 1043430113 in words is "one billion, forty-three million, four hundred thirty thousand, one hundred thirteen".