331389002 has 16 divisors (see below), whose sum is σ = 568415232. Its totient is φ = 141943920.

The previous prime is 331388989. The next prime is 331389043. The reversal of 331389002 is 200983133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23948 + ... + 35160.

It is an arithmetic number, because the mean of its divisors is an integer number (35525952).

Almost surely, 2^331389002 is an apocalyptic number.

331389002 is a deficient number, since it is larger than the sum of its proper divisors (237026230).

331389002 is a wasteful number, since it uses less digits than its factorization.

331389002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 331389002 is about 18204.0930013006. The cubic root of 331389002 is about 692.0105205725.

The spelling of 331389002 in words is "three hundred thirty-one million, three hundred eighty-nine thousand, two".