331272806 has 4 divisors (see below), whose sum is σ = 496909212. Its totient is φ = 165636402.

The previous prime is 331272793. The next prime is 331272811. The reversal of 331272806 is 608272133.

It is a happy number.

331272806 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×331272806² = 219483343990227272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 82818200 + ... + 82818203.

It is an arithmetic number, because the mean of its divisors is an integer number (124227303).

Almost surely, 2^331272806 is an apocalyptic number.

331272806 is a deficient number, since it is larger than the sum of its proper divisors (165636406).

331272806 is a wasteful number, since it uses less digits than its factorization.

331272806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165636405.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 331272806 is about 18200.9012414221. The cubic root of 331272806 is about 691.9296304868.

The spelling of 331272806 in words is "three hundred thirty-one million, two hundred seventy-two thousand, eight hundred six".