331342443 has 12 divisors (see below), whose sum is σ = 490279608. Its totient is φ = 215507040.

The previous prime is 331342411. The next prime is 331342447. The reversal of 331342443 is 344243133.

It is not a de Polignac number, because 331342443 - 2⁵ = 331342411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331342447) 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 11 ways as a sum of consecutive naturals, for example, 448605 + ... + 449342.

It is an arithmetic number, because the mean of its divisors is an integer number (40856634).

Almost surely, 2^331342443 is an apocalyptic number.

331342443 is a deficient number, since it is larger than the sum of its proper divisors (158937165).

331342443 is a wasteful number, since it uses less digits than its factorization.

331342443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897994 (or 897991 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 331342443 is about 18202.8141505647. The cubic root of 331342443 is about 691.9781106990.

Adding to 331342443 its reverse (344243133), we get a palindrome (675585576).

The spelling of 331342443 in words is "three hundred thirty-one million, three hundred forty-two thousand, four hundred forty-three".