331223313 has 8 divisors (see below), whose sum is σ = 455877376. Its totient is φ = 213692400.

The previous prime is 331223311. The next prime is 331223329. The reversal of 331223313 is 313322133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331223313 - 2¹ = 331223311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331223313.

It is not an unprimeable number, because it can be changed into a prime (331223311) 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 in 7 ways as a sum of consecutive naturals, for example, 1780678 + ... + 1780863.

It is an arithmetic number, because the mean of its divisors is an integer number (56984672).

Almost surely, 2^331223313 is an apocalyptic number.

It is an amenable number.

331223313 is a deficient number, since it is larger than the sum of its proper divisors (124654063).

331223313 is a wasteful number, since it uses less digits than its factorization.

331223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561575.

The product of its digits is 972, while the sum is 21.

The square root of 331223313 is about 18199.5415601602. The cubic root of 331223313 is about 691.8951700882.

Adding to 331223313 its reverse (313322133), we get a palindrome (644545446).

The spelling of 331223313 in words is "three hundred thirty-one million, two hundred twenty-three thousand, three hundred thirteen".