41020087431 has 4 divisors (see below), whose sum is σ = 54693449912. Its totient is φ = 27346724952.

The previous prime is 41020087397. The next prime is 41020087453. The reversal of 41020087431 is 13478002014.

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

It is not a de Polignac number, because 41020087431 - 2¹⁷ = 41019956359 is a prime.

It is a super-2 number, since 2×41020087431² (a number of 22 digits) 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 (41020082431) 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, 6836681236 + ... + 6836681241.

It is an arithmetic number, because the mean of its divisors is an integer number (13673362478).

Almost surely, 2^41020087431 is an apocalyptic number.

41020087431 is a deficient number, since it is larger than the sum of its proper divisors (13673362481).

41020087431 is a wasteful number, since it uses less digits than its factorization.

41020087431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673362480.

The product of its (nonzero) digits is 5376, while the sum is 30.

Adding to 41020087431 its reverse (13478002014), we get a palindrome (54498089445).

The spelling of 41020087431 in words is "forty-one billion, twenty million, eighty-seven thousand, four hundred thirty-one".