331332313201 has 2 divisors, whose sum is σ = 331332313202. Its totient is φ = 331332313200.

The previous prime is 331332313199. The next prime is 331332313259. The reversal of 331332313201 is 102313233133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255883210801 + 75449102400 = 505849^2 + 274680^2 .

It is a cyclic number.

It is not a de Polignac number, because 331332313201 - 2¹ = 331332313199 is a prime.

It is a super-2 number, since 2×331332313201² (a number of 24 digits) contains 22 as substring.

Together with 331332313199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (331332310201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165666156600 + 165666156601.

It is an arithmetic number, because the mean of its divisors is an integer number (165666156601).

Almost surely, 2^331332313201 is an apocalyptic number.

It is an amenable number.

331332313201 is a deficient number, since it is larger than the sum of its proper divisors (1).

331332313201 is an equidigital number, since it uses as much as digits as its factorization.

331332313201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 331332313201 its reverse (102313233133), we get a palindrome (433645546334).

The spelling of 331332313201 in words is "three hundred thirty-one billion, three hundred thirty-two million, three hundred thirteen thousand, two hundred one".