331065064 has 16 divisors (see below), whose sum is σ = 677178720. Its totient is φ = 150484080.

The previous prime is 331065061. The next prime is 331065079. The reversal of 331065064 is 460560133.

It is not an unprimeable number, because it can be changed into a prime (331065061) 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, 1880964 + ... + 1881139.

It is an arithmetic number, because the mean of its divisors is an integer number (42323670).

Almost surely, 2^331065064 is an apocalyptic number.

It is an amenable number.

331065064 is an abundant number, since it is smaller than the sum of its proper divisors (346113656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331065064 is a wasteful number, since it uses less digits than its factorization.

331065064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762120 (or 3762116 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 331065064 is about 18195.1934312334. The cubic root of 331065064 is about 691.7849633118.

The spelling of 331065064 in words is "three hundred thirty-one million, sixty-five thousand, sixty-four".