331003241 has 4 divisors (see below), whose sum is σ = 332448900. Its totient is φ = 329557584.

The previous prime is 331003229. The next prime is 331003247. The reversal of 331003241 is 142300133.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 323280400 + 7722841 = 17980^2 + 2779^2 .

It is a cyclic number.

It is not a de Polignac number, because 331003241 - 2⁶ = 331003177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331003247) 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 3 ways as a sum of consecutive naturals, for example, 722486 + ... + 722943.

It is an arithmetic number, because the mean of its divisors is an integer number (83112225).

Almost surely, 2^331003241 is an apocalyptic number.

It is an amenable number.

331003241 is a deficient number, since it is larger than the sum of its proper divisors (1445659).

331003241 is a wasteful number, since it uses less digits than its factorization.

331003241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445658.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 331003241 is about 18193.4944691777. The cubic root of 331003241 is about 691.7418993859.

Adding to 331003241 its reverse (142300133), we get a palindrome (473303374).

The spelling of 331003241 in words is "three hundred thirty-one million, three thousand, two hundred forty-one".