331313943 has 8 divisors (see below), whose sum is σ = 443164528. Its totient is φ = 220169664.

The previous prime is 331313923. The next prime is 331313959. The reversal of 331313943 is 349313133.

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

It is not a de Polignac number, because 331313943 - 2⁵ = 331313911 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 331313943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331313923) 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, 175480 + ... + 177357.

It is an arithmetic number, because the mean of its divisors is an integer number (55395566).

Almost surely, 2^331313943 is an apocalyptic number.

331313943 is a deficient number, since it is larger than the sum of its proper divisors (111850585).

331313943 is a wasteful number, since it uses less digits than its factorization.

331313943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353153.

The product of its digits is 8748, while the sum is 30.

The square root of 331313943 is about 18202.0312877437. The cubic root of 331313943 is about 691.9582702570.

The spelling of 331313943 in words is "three hundred thirty-one million, three hundred thirteen thousand, nine hundred forty-three".