31223533340041 has 16 divisors (see below), whose sum is σ = 35893006589440. Its totient is φ = 26606399624640.

The previous prime is 31223533340017. The next prime is 31223533340089. The reversal of 31223533340041 is 14004333532213.

It is a cyclic number.

It is not a de Polignac number, because 31223533340041 - 2²¹ = 31223531242889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31223533339979 and 31223533340006.

It is not an unprimeable number, because it can be changed into a prime (31223533340641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209361 + ... + 7905118.

It is an arithmetic number, because the mean of its divisors is an integer number (2243312911840).

Almost surely, 2^{31223533340041} is an apocalyptic number.

It is an amenable number.

31223533340041 is a deficient number, since it is larger than the sum of its proper divisors (4669473249399).

31223533340041 is a wasteful number, since it uses less digits than its factorization.

31223533340041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117704.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 31223533340041 its reverse (14004333532213), we get a palindrome (45227866872254).

The spelling of 31223533340041 in words is "thirty-one trillion, two hundred twenty-three billion, five hundred thirty-three million, three hundred forty thousand, forty-one".