31322003220049 has 2 divisors, whose sum is σ = 31322003220050. Its totient is φ = 31322003220048.

The previous prime is 31322003219989. The next prime is 31322003220083. The reversal of 31322003220049 is 94002230022313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30526951014400 + 795052205649 = 5525120^2 + 891657^2 .

It is a cyclic number.

It is not a de Polignac number, because 31322003220049 - 2⁹ = 31322003219537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31322003220049.

It is not a weakly prime, because it can be changed into another prime (31322003220449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15661001610024 + 15661001610025.

It is an arithmetic number, because the mean of its divisors is an integer number (15661001610025).

Almost surely, 2^{31322003220049} is an apocalyptic number.

It is an amenable number.

31322003220049 is a deficient number, since it is larger than the sum of its proper divisors (1).

31322003220049 is an equidigital number, since it uses as much as digits as its factorization.

31322003220049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 31322003220049 in words is "thirty-one trillion, three hundred twenty-two billion, three million, two hundred twenty thousand, forty-nine".