331131002212201 has 2 divisors, whose sum is σ = 331131002212202. Its totient is φ = 331131002212200.

The previous prime is 331131002212189. The next prime is 331131002212259. The reversal of 331131002212201 is 102212200131133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324420436305625 + 6710565906576 = 18011675^2 + 2590476^2 .

It is a cyclic number.

It is not a de Polignac number, because 331131002212201 - 2¹¹ = 331131002210153 is a prime.

It is not a weakly prime, because it can be changed into another prime (331131005212201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165565501106100 + 165565501106101.

It is an arithmetic number, because the mean of its divisors is an integer number (165565501106101).

Almost surely, 2^{331131002212201} is an apocalyptic number.

It is an amenable number.

331131002212201 is a deficient number, since it is larger than the sum of its proper divisors (1).

331131002212201 is an equidigital number, since it uses as much as digits as its factorization.

331131002212201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 331131002212201 its reverse (102212200131133), we get a palindrome (433343202343334).

The spelling of 331131002212201 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, two million, two hundred twelve thousand, two hundred one".