331045369 has 8 divisors (see below), whose sum is σ = 352873800. Its totient is φ = 309478656.

The previous prime is 331045349. The next prime is 331045397. The reversal of 331045369 is 963540133.

It can be written as a sum of positive squares in 4 ways, for example, as 75429225 + 255616144 = 8685^2 + 15988^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331045369 - 2¹⁵ = 331012601 is a prime.

It is a super-2 number, since 2×331045369² = 219182072672692322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331045349) 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 7 ways as a sum of consecutive naturals, for example, 62814 + ... + 67879.

It is an arithmetic number, because the mean of its divisors is an integer number (44109225).

Almost surely, 2^331045369 is an apocalyptic number.

It is an amenable number.

331045369 is a deficient number, since it is larger than the sum of its proper divisors (21828431).

331045369 is a wasteful number, since it uses less digits than its factorization.

331045369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130859.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 331045369 is about 18194.6522088222. The cubic root of 331045369 is about 691.7712449862.

The spelling of 331045369 in words is "three hundred thirty-one million, forty-five thousand, three hundred sixty-nine".