42041331 has 6 divisors (see below), whose sum is σ = 60726380. Its totient is φ = 28027548.

The previous prime is 42041299. The next prime is 42041341. The reversal of 42041331 is 13314024.

It is not a de Polignac number, because 42041331 - 2⁵ = 42041299 is a prime.

It is a super-2 number, since 2×42041331² = 3534947024503122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42041341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2335621 + ... + 2335638.

Almost surely, 2^42041331 is an apocalyptic number.

42041331 is a deficient number, since it is larger than the sum of its proper divisors (18685049).

42041331 is a wasteful number, since it uses less digits than its factorization.

42041331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671265 (or 4671262 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 42041331 is about 6483.9286701814. The cubic root of 42041331 is about 347.7166490574.

Adding to 42041331 its reverse (13314024), we get a palindrome (55355355).

The spelling of 42041331 in words is "forty-two million, forty-one thousand, three hundred thirty-one".