31941680041 has 2 divisors, whose sum is σ = 31941680042. Its totient is φ = 31941680040.

The previous prime is 31941680027. The next prime is 31941680059. The reversal of 31941680041 is 14008614913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31292194816 + 649485225 = 176896^2 + 25485^2 .

It is a cyclic number.

It is not a de Polignac number, because 31941680041 - 2³³ = 23351745449 is a prime.

It is not a weakly prime, because it can be changed into another prime (31941680941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15970840020 + 15970840021.

It is an arithmetic number, because the mean of its divisors is an integer number (15970840021).

Almost surely, 2^31941680041 is an apocalyptic number.

It is an amenable number.

31941680041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31941680041 is an equidigital number, since it uses as much as digits as its factorization.

31941680041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 31941680041 in words is "thirty-one billion, nine hundred forty-one million, six hundred eighty thousand, forty-one".