31043211041 has 2 divisors, whose sum is σ = 31043211042. Its totient is φ = 31043211040.

The previous prime is 31043211019. The next prime is 31043211071. The reversal of 31043211041 is 14011234013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29757630016 + 1285581025 = 172504^2 + 35855^2 .

It is a cyclic number.

It is not a de Polignac number, because 31043211041 - 2²⁶ = 30976102177 is a prime.

It is not a weakly prime, because it can be changed into another prime (31043211071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15521605520 + 15521605521.

It is an arithmetic number, because the mean of its divisors is an integer number (15521605521).

Almost surely, 2^31043211041 is an apocalyptic number.

It is an amenable number.

31043211041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31043211041 is an equidigital number, since it uses as much as digits as its factorization.

31043211041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31043211041 its reverse (14011234013), we get a palindrome (45054445054).

The spelling of 31043211041 in words is "thirty-one billion, forty-three million, two hundred eleven thousand, forty-one".