331042343 has 8 divisors (see below), whose sum is σ = 351028080. Its totient is φ = 311113600.

The previous prime is 331042321. The next prime is 331042351. The reversal of 331042343 is 343240133.

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

It is a de Polignac number, because none of the positive numbers 2^k-331042343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331042373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973 + ... + 25806.

It is an arithmetic number, because the mean of its divisors is an integer number (43878510).

Almost surely, 2^331042343 is an apocalyptic number.

331042343 is a deficient number, since it is larger than the sum of its proper divisors (19985737).

331042343 is a wasteful number, since it uses less digits than its factorization.

331042343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28497.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 331042343 is about 18194.5690523299. The cubic root of 331042343 is about 691.7691372125.

Adding to 331042343 its reverse (343240133), we get a palindrome (674282476).

The spelling of 331042343 in words is "three hundred thirty-one million, forty-two thousand, three hundred forty-three".