41530431 has 4 divisors (see below), whose sum is σ = 55373912. Its totient is φ = 27686952.

The previous prime is 41530399. The next prime is 41530457. The reversal of 41530431 is 13403514.

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

It is not a de Polignac number, because 41530431 - 2⁵ = 41530399 is a prime.

It is a super-2 number, since 2×41530431² = 3449553398091522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41530398 and 41530407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41530471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6921736 + ... + 6921741.

It is an arithmetic number, because the mean of its divisors is an integer number (13843478).

Almost surely, 2^41530431 is an apocalyptic number.

41530431 is a deficient number, since it is larger than the sum of its proper divisors (13843481).

41530431 is a wasteful number, since it uses less digits than its factorization.

41530431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13843480.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 41530431 is about 6444.4108342035. The cubic root of 41530431 is about 346.3023824792.

Adding to 41530431 its reverse (13403514), we get a palindrome (54933945).

The spelling of 41530431 in words is "forty-one million, five hundred thirty thousand, four hundred thirty-one".