331220200057 has 2 divisors, whose sum is σ = 331220200058. Its totient is φ = 331220200056.

The previous prime is 331220200037. The next prime is 331220200169. The reversal of 331220200057 is 750002022133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322006311936 + 9213888121 = 567456^2 + 95989^2 .

It is a cyclic number.

It is not a de Polignac number, because 331220200057 - 2¹¹ = 331220198009 is a prime.

It is not a weakly prime, because it can be changed into another prime (331220200037) 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, 165610100028 + 165610100029.

It is an arithmetic number, because the mean of its divisors is an integer number (165610100029).

Almost surely, 2^331220200057 is an apocalyptic number.

It is an amenable number.

331220200057 is a deficient number, since it is larger than the sum of its proper divisors (1).

331220200057 is an equidigital number, since it uses as much as digits as its factorization.

331220200057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The spelling of 331220200057 in words is "three hundred thirty-one billion, two hundred twenty million, two hundred thousand, fifty-seven".