42030431 has 8 divisors (see below), whose sum is σ = 43022880. Its totient is φ = 41045472.

The previous prime is 42030421. The next prime is 42030437. The reversal of 42030431 is 13403024.

42030431 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 a cyclic number.

It is not a de Polignac number, because 42030431 - 2¹⁴ = 42014047 is a prime.

It is a super-2 number, since 2×42030431² = 3533114260091522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030437) 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, 10406 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (5377860).

Almost surely, 2^42030431 is an apocalyptic number.

42030431 is a deficient number, since it is larger than the sum of its proper divisors (992449).

42030431 is a wasteful number, since it uses less digits than its factorization.

42030431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42030431 is about 6483.0880759095. The cubic root of 42030431 is about 347.6865957821.

Adding to 42030431 its reverse (13403024), we get a palindrome (55433455).

The spelling of 42030431 in words is "forty-two million, thirty thousand, four hundred thirty-one".