31441545105049 has 2 divisors, whose sum is σ = 31441545105050. Its totient is φ = 31441545105048.

The previous prime is 31441545105011. The next prime is 31441545105119. The reversal of 31441545105049 is 94050154514413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16727838241024 + 14713706864025 = 4089968^2 + 3835845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31441545105049 is a prime.

It is not a weakly prime, because it can be changed into another prime (31441545105749) 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, 15720772552524 + 15720772552525.

It is an arithmetic number, because the mean of its divisors is an integer number (15720772552525).

Almost surely, 2^{31441545105049} is an apocalyptic number.

It is an amenable number.

31441545105049 is a deficient number, since it is larger than the sum of its proper divisors (1).

31441545105049 is an equidigital number, since it uses as much as digits as its factorization.

31441545105049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 31441545105049 in words is "thirty-one trillion, four hundred forty-one billion, five hundred forty-five million, one hundred five thousand, forty-nine".