331132020322277 has 2 divisors, whose sum is σ = 331132020322278. Its totient is φ = 331132020322276.

The previous prime is 331132020322223. The next prime is 331132020322283. The reversal of 331132020322277 is 772223020231133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189083785599076 + 142048234723201 = 13750774^2 + 11918399^2 .

It is a cyclic number.

It is not a de Polignac number, because 331132020322277 - 2¹⁴ = 331132020305893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331132020322277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331132020322177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165566010161138 + 165566010161139.

It is an arithmetic number, because the mean of its divisors is an integer number (165566010161139).

Almost surely, 2^{331132020322277} is an apocalyptic number.

It is an amenable number.

331132020322277 is a deficient number, since it is larger than the sum of its proper divisors (1).

331132020322277 is an equidigital number, since it uses as much as digits as its factorization.

331132020322277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 38.

The spelling of 331132020322277 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, twenty million, three hundred twenty-two thousand, two hundred seventy-seven".