331201323 has 12 divisors (see below), whose sum is σ = 478595208. Its totient is φ = 220711680.

The previous prime is 331201313. The next prime is 331201337. The reversal of 331201323 is 323102133.

It is not a de Polignac number, because 331201323 - 2⁹ = 331200811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331201296 and 331201305.

It is not an unprimeable number, because it can be changed into a prime (331201313) 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 in 11 ways as a sum of consecutive naturals, for example, 22368 + ... + 34098.

It is an arithmetic number, because the mean of its divisors is an integer number (39882934).

Almost surely, 2^331201323 is an apocalyptic number.

331201323 is a deficient number, since it is larger than the sum of its proper divisors (147393885).

331201323 is a wasteful number, since it uses less digits than its factorization.

331201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14874 (or 14871 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 331201323 is about 18198.9374140360. The cubic root of 331201323 is about 691.8798580506.

Adding to 331201323 its reverse (323102133), we get a palindrome (654303456).

It can be divided in two parts, 33120 and 1323, that added together give a palindrome (34443).

The spelling of 331201323 in words is "three hundred thirty-one million, two hundred one thousand, three hundred twenty-three".