331343041 has 4 divisors (see below), whose sum is σ = 331411284. Its totient is φ = 331274800.

The previous prime is 331343027. The next prime is 331343059. The reversal of 331343041 is 140343133.

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 241491600 + 89851441 = 15540^2 + 9479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331343041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331343021) 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, 26230 + ... + 36751.

It is an arithmetic number, because the mean of its divisors is an integer number (82852821).

Almost surely, 2^331343041 is an apocalyptic number.

It is an amenable number.

331343041 is a deficient number, since it is larger than the sum of its proper divisors (68243).

331343041 is an equidigital number, since it uses as much as digits as its factorization.

331343041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68242.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 331343041 is about 18202.8305765889. The cubic root of 331343041 is about 691.9785269880.

Adding to 331343041 its reverse (140343133), we get a palindrome (471686174).

The spelling of 331343041 in words is "three hundred thirty-one million, three hundred forty-three thousand, forty-one".