331321041 has 24 divisors (see below), whose sum is σ = 519095304. Its totient is φ = 202813440.

The previous prime is 331321033. The next prime is 331321061. The reversal of 331321041 is 140123133.

It can be written as a sum of positive squares in 4 ways, for example, as 5157441 + 326163600 = 2271^2 + 18060^2 .

It is not a de Polignac number, because 331321041 - 2³ = 331321033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331321021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20136 + ... + 32681.

It is an arithmetic number, because the mean of its divisors is an integer number (21628971).

Almost surely, 2^331321041 is an apocalyptic number.

It is an amenable number.

331321041 is a deficient number, since it is larger than the sum of its proper divisors (187774263).

331321041 is a wasteful number, since it uses less digits than its factorization.

331321041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52881 (or 52878 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 331321041 is about 18202.2262649380. The cubic root of 331321041 is about 691.9632116777.

Adding to 331321041 its reverse (140123133), we get a palindrome (471444174).

The spelling of 331321041 in words is "three hundred thirty-one million, three hundred twenty-one thousand, forty-one".