31223424433141 has 2 divisors, whose sum is σ = 31223424433142. Its totient is φ = 31223424433140.

The previous prime is 31223424433127. The next prime is 31223424433183. The reversal of 31223424433141 is 14133442432213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31132549919025 + 90874514116 = 5579655^2 + 301454^2 .

It is a cyclic number.

It is not a de Polignac number, because 31223424433141 - 2⁷ = 31223424433013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31223424433141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31223424493141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15611712216570 + 15611712216571.

It is an arithmetic number, because the mean of its divisors is an integer number (15611712216571).

Almost surely, 2^{31223424433141} is an apocalyptic number.

It is an amenable number.

31223424433141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31223424433141 is an equidigital number, since it uses as much as digits as its factorization.

31223424433141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 37.

Adding to 31223424433141 its reverse (14133442432213), we get a palindrome (45356866865354).

The spelling of 31223424433141 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred twenty-four million, four hundred thirty-three thousand, one hundred forty-one".