42043113 has 12 divisors (see below), whose sum is σ = 69404608. Its totient is φ = 24024600.

The previous prime is 42043097. The next prime is 42043117. The reversal of 42043113 is 31134024.

It is not a de Polignac number, because 42043113 - 2⁴ = 42043097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42043117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333613 + ... + 333738.

Almost surely, 2^42043113 is an apocalyptic number.

It is an amenable number.

42043113 is a deficient number, since it is larger than the sum of its proper divisors (27361495).

42043113 is a wasteful number, since it uses less digits than its factorization.

42043113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667364 (or 667361 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 42043113 is about 6484.0660854128. The cubic root of 42043113 is about 347.7215618602.

Adding to 42043113 its reverse (31134024), we get a palindrome (73177137).

The spelling of 42043113 in words is "forty-two million, forty-three thousand, one hundred thirteen".