31444030049 has 2 divisors, whose sum is σ = 31444030050. Its totient is φ = 31444030048.

The previous prime is 31444029989. The next prime is 31444030061. The reversal of 31444030049 is 94003044413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21589894225 + 9854135824 = 146935^2 + 99268^2 .

It is an emirp because it is prime and its reverse (94003044413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31444030049 - 2³² = 27149062753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31444029997 and 31444030024.

It is not a weakly prime, because it can be changed into another prime (31444030249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15722015024 + 15722015025.

It is an arithmetic number, because the mean of its divisors is an integer number (15722015025).

Almost surely, 2^31444030049 is an apocalyptic number.

It is an amenable number.

31444030049 is a deficient number, since it is larger than the sum of its proper divisors (1).

31444030049 is an equidigital number, since it uses as much as digits as its factorization.

31444030049 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 32.

The spelling of 31444030049 in words is "thirty-one billion, four hundred forty-four million, thirty thousand, forty-nine".