42411431 has 4 divisors (see below), whose sum is σ = 42457632. Its totient is φ = 42365232.

The previous prime is 42411419. The next prime is 42411433. The reversal of 42411431 is 13411424.

42411431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42411431 - 2⁶ = 42411367 is a prime.

It is a super-2 number, since 2×42411431² = 3597458958935522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42411433) 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 3 ways as a sum of consecutive naturals, for example, 21695 + ... + 23568.

It is an arithmetic number, because the mean of its divisors is an integer number (10614408).

Almost surely, 2^42411431 is an apocalyptic number.

42411431 is a deficient number, since it is larger than the sum of its proper divisors (46201).

42411431 is an equidigital number, since it uses as much as digits as its factorization.

42411431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46200.

The product of its digits is 384, while the sum is 20.

The square root of 42411431 is about 6512.4059302227. The cubic root of 42411431 is about 348.7340140752.

Adding to 42411431 its reverse (13411424), we get a palindrome (55822855).

The spelling of 42411431 in words is "forty-two million, four hundred eleven thousand, four hundred thirty-one".