31067040241 has 2 divisors, whose sum is σ = 31067040242. Its totient is φ = 31067040240.

The previous prime is 31067040203. The next prime is 31067040281. The reversal of 31067040241 is 14204076013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30974592016 + 92448225 = 175996^2 + 9615^2 .

It is a cyclic number.

It is not a de Polignac number, because 31067040241 - 2¹⁷ = 31066909169 is a prime.

It is not a weakly prime, because it can be changed into another prime (31067040281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15533520120 + 15533520121.

It is an arithmetic number, because the mean of its divisors is an integer number (15533520121).

Almost surely, 2^31067040241 is an apocalyptic number.

It is an amenable number.

31067040241 is a deficient number, since it is larger than the sum of its proper divisors (1).

31067040241 is an equidigital number, since it uses as much as digits as its factorization.

31067040241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 31067040241 in words is "thirty-one billion, sixty-seven million, forty thousand, two hundred forty-one".