31444442041 has 2 divisors, whose sum is σ = 31444442042. Its totient is φ = 31444442040.

The previous prime is 31444442023. The next prime is 31444442053. The reversal of 31444442041 is 14024444413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17528700816 + 13915741225 = 132396^2 + 117965^2 .

It is a cyclic number.

It is not a de Polignac number, because 31444442041 - 2¹¹ = 31444439993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31444441994 and 31444442012.

It is not a weakly prime, because it can be changed into another prime (31444442011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15722221020 + 15722221021.

It is an arithmetic number, because the mean of its divisors is an integer number (15722221021).

Almost surely, 2^31444442041 is an apocalyptic number.

It is an amenable number.

31444442041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31444442041 is an equidigital number, since it uses as much as digits as its factorization.

31444442041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 31444442041 its reverse (14024444413), we get a palindrome (45468886454).

The spelling of 31444442041 in words is "thirty-one billion, four hundred forty-four million, four hundred forty-two thousand, forty-one".