331641223 has 8 divisors (see below), whose sum is σ = 337860720. Its totient is φ = 325459200.

The previous prime is 331641217. The next prime is 331641227. The reversal of 331641223 is 322146133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-331641223 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 (331641227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8823 + ... + 27223.

It is an arithmetic number, because the mean of its divisors is an integer number (42232590).

Almost surely, 2^331641223 is an apocalyptic number.

331641223 is a deficient number, since it is larger than the sum of its proper divisors (6219497).

331641223 is a wasteful number, since it uses less digits than its factorization.

331641223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18737.

The product of its digits is 2592, while the sum is 25.

The square root of 331641223 is about 18211.0192740549. The cubic root of 331641223 is about 692.1860396978.

Adding to 331641223 its reverse (322146133), we get a palindrome (653787356).

The spelling of 331641223 in words is "three hundred thirty-one million, six hundred forty-one thousand, two hundred twenty-three".