331393646224 has 45 divisors (see below), whose sum is σ = 651567316771. Its totient is φ = 163282471520.

The previous prime is 331393646201. The next prime is 331393646231. The reversal of 331393646224 is 422646393133.

It is a happy number.

The square root of 331393646224 is 575668.

It is a perfect power (a square), and thus also a powerful number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 163488699 + ... + 163490725.

Almost surely, 2^331393646224 is an apocalyptic number.

331393646224 is the 575668-th square number.

It is an amenable number.

331393646224 is a deficient number, since it is larger than the sum of its proper divisors (320173670547).

331393646224 is an frugal number, since it uses more digits than its factorization.

331393646224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204 (or 2100 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 46.

The spelling of 331393646224 in words is "three hundred thirty-one billion, three hundred ninety-three million, six hundred forty-six thousand, two hundred twenty-four".