42110431 has 8 divisors (see below), whose sum is σ = 47420928. Its totient is φ = 37047000.

The previous prime is 42110413. The next prime is 42110443. The reversal of 42110431 is 13401124.

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 42110431 - 2⁵ = 42110399 is a prime.

It is a super-2 number, since 2×42110431² = 3546576798011522, 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 (42113431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61405 + ... + 62086.

It is an arithmetic number, because the mean of its divisors is an integer number (5927616).

Almost surely, 2^42110431 is an apocalyptic number.

42110431 is a deficient number, since it is larger than the sum of its proper divisors (5310497).

42110431 is a wasteful number, since it uses less digits than its factorization.

42110431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123533.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 42110431 is about 6489.2550419906. The cubic root of 42110431 is about 347.9070495356.

Adding to 42110431 its reverse (13401124), we get a palindrome (55511555).

The spelling of 42110431 in words is "forty-two million, one hundred ten thousand, four hundred thirty-one".