331482389 has 4 divisors (see below), whose sum is σ = 378837024. Its totient is φ = 284127756.

The previous prime is 331482377. The next prime is 331482413. The reversal of 331482389 is 983284133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331482389 - 2⁴ = 331482373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331482289) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23677307 + ... + 23677320.

It is an arithmetic number, because the mean of its divisors is an integer number (94709256).

Almost surely, 2^331482389 is an apocalyptic number.

It is an amenable number.

331482389 is a deficient number, since it is larger than the sum of its proper divisors (47354635).

331482389 is an equidigital number, since it uses as much as digits as its factorization.

331482389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47354634.

The product of its digits is 124416, while the sum is 41.

The square root of 331482389 is about 18206.6578206984. The cubic root of 331482389 is about 692.0755184214.

The spelling of 331482389 in words is "three hundred thirty-one million, four hundred eighty-two thousand, three hundred eighty-nine".