331068469 has 4 divisors (see below), whose sum is σ = 334481644. Its totient is φ = 327655296.

The previous prime is 331068467. The next prime is 331068473. The reversal of 331068469 is 964860133.

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 240095025 + 90973444 = 15495^2 + 9538^2 .

It is a cyclic number.

It is not a de Polignac number, because 331068469 - 2¹ = 331068467 is a prime.

It is a super-2 number, since 2×331068469² = 219212662332007922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331068467) 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, 1706442 + ... + 1706635.

It is an arithmetic number, because the mean of its divisors is an integer number (83620411).

Almost surely, 2^331068469 is an apocalyptic number.

It is an amenable number.

331068469 is a deficient number, since it is larger than the sum of its proper divisors (3413175).

331068469 is an equidigital number, since it uses as much as digits as its factorization.

331068469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413174.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 331068469 is about 18195.2869996601. The cubic root of 331068469 is about 691.7873349702.

The spelling of 331068469 in words is "three hundred thirty-one million, sixty-eight thousand, four hundred sixty-nine".