42431363 has 8 divisors (see below), whose sum is σ = 45780000. Its totient is φ = 39094848.

The previous prime is 42431357. The next prime is 42431399. The reversal of 42431363 is 36313424.

It is a happy number.

42431363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42431363 - 2¹⁴ = 42414979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42431063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5063 + ... + 10511.

It is an arithmetic number, because the mean of its divisors is an integer number (5722500).

Almost surely, 2^42431363 is an apocalyptic number.

42431363 is a deficient number, since it is larger than the sum of its proper divisors (3348637).

42431363 is a wasteful number, since it uses less digits than its factorization.

42431363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061.

The product of its digits is 5184, while the sum is 26.

The square root of 42431363 is about 6513.9360604783. The cubic root of 42431363 is about 348.7886367526.

Adding to 42431363 its reverse (36313424), we get a palindrome (78744787).

The spelling of 42431363 in words is "forty-two million, four hundred thirty-one thousand, three hundred sixty-three".