331330234 has 8 divisors (see below), whose sum is σ = 497802708. Its totient is φ = 165396000.

The previous prime is 331330231. The next prime is 331330247. The reversal of 331330234 is 432033133.

It can be written as a sum of positive squares in 2 ways, for example, as 249482025 + 81848209 = 15795^2 + 9047^2 .

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

It is not an unprimeable number, because it can be changed into a prime (331330231) 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 3 ways as a sum of consecutive naturals, for example, 133017 + ... + 135484.

Almost surely, 2^331330234 is an apocalyptic number.

331330234 is a deficient number, since it is larger than the sum of its proper divisors (166472474).

331330234 is a wasteful number, since it uses less digits than its factorization.

331330234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269120.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 331330234 is about 18202.4787872421. The cubic root of 331330234 is about 691.9696114714.

Adding to 331330234 its reverse (432033133), we get a palindrome (763363367).

The spelling of 331330234 in words is "three hundred thirty-one million, three hundred thirty thousand, two hundred thirty-four".