331065063 has 80 divisors (see below), whose sum is σ = 604032000. Its totient is φ = 176499648.

The previous prime is 331065061. The next prime is 331065079. The reversal of 331065063 is 360560133.

331065063 is a `hidden beast` number, since 3 + 3 + 1 + 0 + 650 + 6 + 3 = 666.

It is not a de Polignac number, because 331065063 - 2¹ = 331065061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 850873 + ... + 851261.

It is an arithmetic number, because the mean of its divisors is an integer number (7550400).

Almost surely, 2^331065063 is an apocalyptic number.

331065063 is a deficient number, since it is larger than the sum of its proper divisors (272966937).

331065063 is a wasteful number, since it uses less digits than its factorization.

331065063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 331065063 is about 18195.1934037536. The cubic root of 331065063 is about 691.7849626153.

The spelling of 331065063 in words is "three hundred thirty-one million, sixty-five thousand, sixty-three".