331342043 has 4 divisors (see below), whose sum is σ = 342030528. Its totient is φ = 320653560.

The previous prime is 331342027. The next prime is 331342049. The reversal of 331342043 is 340243133.

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 331342043 - 2⁴ = 331342027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331342049) 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 3 ways as a sum of consecutive naturals, for example, 5344196 + ... + 5344257.

It is an arithmetic number, because the mean of its divisors is an integer number (85507632).

Almost surely, 2^331342043 is an apocalyptic number.

331342043 is a deficient number, since it is larger than the sum of its proper divisors (10688485).

331342043 is a wasteful number, since it uses less digits than its factorization.

331342043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10688484.

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

The square root of 331342043 is about 18202.8031632493. The cubic root of 331342043 is about 691.9778322445.

Adding to 331342043 its reverse (340243133), we get a palindrome (671585176).

The spelling of 331342043 in words is "three hundred thirty-one million, three hundred forty-two thousand, forty-three".