331343323 has 4 divisors (see below), whose sum is σ = 334383280. Its totient is φ = 328303368.

The previous prime is 331343321. The next prime is 331343417. The reversal of 331343323 is 323343133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331343323 - 2¹ = 331343321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331343321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1519815 + ... + 1520032.

It is an arithmetic number, because the mean of its divisors is an integer number (83595820).

Almost surely, 2^331343323 is an apocalyptic number.

331343323 is a deficient number, since it is larger than the sum of its proper divisors (3039957).

331343323 is a wasteful number, since it uses less digits than its factorization.

331343323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039956.

The product of its digits is 5832, while the sum is 25.

The square root of 331343323 is about 18202.8383226353. The cubic root of 331343323 is about 691.9787232981.

Adding to 331343323 its reverse (323343133), we get a palindrome (654686456).

The spelling of 331343323 in words is "three hundred thirty-one million, three hundred forty-three thousand, three hundred twenty-three".