331320313322 has 16 divisors (see below), whose sum is σ = 520501946112. Its totient is φ = 157872821040.

The previous prime is 331320313279. The next prime is 331320313327. The reversal of 331320313322 is 223313023133.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 331320313291 and 331320313300.

It is not an unprimeable number, because it can be changed into a prime (331320313327) 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 7 ways as a sum of consecutive naturals, for example, 13276493 + ... + 13301424.

It is an arithmetic number, because the mean of its divisors is an integer number (32531371632).

Almost surely, 2^331320313322 is an apocalyptic number.

331320313322 is a deficient number, since it is larger than the sum of its proper divisors (189181632790).

331320313322 is a wasteful number, since it uses less digits than its factorization.

331320313322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26578213.

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

Adding to 331320313322 its reverse (223313023133), we get a palindrome (554633336455).

The spelling of 331320313322 in words is "three hundred thirty-one billion, three hundred twenty million, three hundred thirteen thousand, three hundred twenty-two".