331201323112201 has 2 divisors, whose sum is σ = 331201323112202. Its totient is φ = 331201323112200.

The previous prime is 331201323112189. The next prime is 331201323112271. The reversal of 331201323112201 is 102211323102133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267300100969225 + 63901222142976 = 16349315^2 + 7993824^2 .

It is a cyclic number.

It is not a de Polignac number, because 331201323112201 - 2¹⁵ = 331201323079433 is a prime.

It is not a weakly prime, because it can be changed into another prime (331201323112271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165600661556100 + 165600661556101.

It is an arithmetic number, because the mean of its divisors is an integer number (165600661556101).

Almost surely, 2^{331201323112201} is an apocalyptic number.

It is an amenable number.

331201323112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

331201323112201 is an equidigital number, since it uses as much as digits as its factorization.

331201323112201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 331201323112201 its reverse (102211323102133), we get a palindrome (433412646214334).

The spelling of 331201323112201 in words is "three hundred thirty-one trillion, two hundred one billion, three hundred twenty-three million, one hundred twelve thousand, two hundred one".