41312431221 has 12 divisors (see below), whose sum is σ = 58514032992. Its totient is φ = 25921524928.

The previous prime is 41312431219. The next prime is 41312431229. The reversal of 41312431221 is 12213421314.

It is not a de Polignac number, because 41312431221 - 2¹ = 41312431219 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 41312431191 and 41312431200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41312431229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23824065 + ... + 23825798.

It is an arithmetic number, because the mean of its divisors is an integer number (4876169416).

Almost surely, 2^41312431221 is an apocalyptic number.

It is an amenable number.

41312431221 is a deficient number, since it is larger than the sum of its proper divisors (17201601771).

41312431221 is a wasteful number, since it uses less digits than its factorization.

41312431221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47649900 (or 47649883 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 41312431221 its reverse (12213421314), we get a palindrome (53525852535).

The spelling of 41312431221 in words is "forty-one billion, three hundred twelve million, four hundred thirty-one thousand, two hundred twenty-one".