42243113 has 16 divisors (see below), whose sum is σ = 49061376. Its totient is φ = 35946240.

The previous prime is 42243109. The next prime is 42243143. The reversal of 42243113 is 31134224.

It is not a de Polignac number, because 42243113 - 2² = 42243109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42243143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41195 + ... + 42207.

It is an arithmetic number, because the mean of its divisors is an integer number (3066336).

Almost surely, 2^42243113 is an apocalyptic number.

It is an amenable number.

42243113 is a deficient number, since it is larger than the sum of its proper divisors (6818263).

42243113 is a wasteful number, since it uses less digits than its factorization.

42243113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264.

The product of its digits is 576, while the sum is 20.

The square root of 42243113 is about 6499.4702091786. The cubic root of 42243113 is about 348.2720628684.

Adding to 42243113 its reverse (31134224), we get a palindrome (73377337).

Subtracting from 42243113 its reverse (31134224), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 4224 and 3113, that added together give a palindrome (7337).

The spelling of 42243113 in words is "forty-two million, two hundred forty-three thousand, one hundred thirteen".