331320132233 has 2 divisors, whose sum is σ = 331320132234. Its totient is φ = 331320132232.

The previous prime is 331320132223. The next prime is 331320132259. The reversal of 331320132233 is 332231023133.

It is a happy number.

It is an a-pointer prime, because the next prime (331320132259) can be obtained adding 331320132233 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223570100224 + 107750032009 = 472832^2 + 328253^2 .

It is a cyclic number.

It is not a de Polignac number, because 331320132233 - 2²² = 331315937929 is a prime.

It is not a weakly prime, because it can be changed into another prime (331320132203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165660066116 + 165660066117.

It is an arithmetic number, because the mean of its divisors is an integer number (165660066117).

Almost surely, 2^331320132233 is an apocalyptic number.

It is an amenable number.

331320132233 is a deficient number, since it is larger than the sum of its proper divisors (1).

331320132233 is an equidigital number, since it uses as much as digits as its factorization.

331320132233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 331320132233 its reverse (332231023133), we get a palindrome (663551155366).

The spelling of 331320132233 in words is "three hundred thirty-one billion, three hundred twenty million, one hundred thirty-two thousand, two hundred thirty-three".