331045441 has 4 divisors (see below), whose sum is σ = 331422084. Its totient is φ = 330668800.

The previous prime is 331045427. The next prime is 331045447. The reversal of 331045441 is 144540133.

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 35343025 + 295702416 = 5945^2 + 17196^2 .

It is a cyclic number.

It is not a de Polignac number, because 331045441 - 2⁵ = 331045409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331045447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187000 + ... + 188761.

It is an arithmetic number, because the mean of its divisors is an integer number (82855521).

Almost surely, 2^331045441 is an apocalyptic number.

It is an amenable number.

331045441 is a deficient number, since it is larger than the sum of its proper divisors (376643).

331045441 is an equidigital number, since it uses as much as digits as its factorization.

331045441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376642.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 331045441 is about 18194.6541874255. The cubic root of 331045441 is about 691.7712951380.

Adding to 331045441 its reverse (144540133), we get a palindrome (475585574).

The spelling of 331045441 in words is "three hundred thirty-one million, forty-five thousand, four hundred forty-one".