41231303521 has 16 divisors (see below), whose sum is σ = 42068190736. Its totient is φ = 40402354176.

The previous prime is 41231303473. The next prime is 41231303539. The reversal of 41231303521 is 12530313214.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 844774225 + 40386529296 = 29065^2 + 200964^2 .

It is a cyclic number.

It is not a de Polignac number, because 41231303521 - 2¹⁷ = 41231172449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41231303621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14552521 + ... + 14555353.

It is an arithmetic number, because the mean of its divisors is an integer number (2629261921).

Almost surely, 2^41231303521 is an apocalyptic number.

It is an amenable number.

41231303521 is a deficient number, since it is larger than the sum of its proper divisors (836887215).

41231303521 is a wasteful number, since it uses less digits than its factorization.

41231303521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 41231303521 its reverse (12530313214), we get a palindrome (53761616735).

The spelling of 41231303521 in words is "forty-one billion, two hundred thirty-one million, three hundred three thousand, five hundred twenty-one".