331041224 has 8 divisors (see below), whose sum is σ = 620702310. Its totient is φ = 165520608.

The previous prime is 331041223. The next prime is 331041239. The reversal of 331041224 is 422140133.

It can be written as a sum of positive squares in only one way, i.e., 311522500 + 19518724 = 17650^2 + 4418^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 331041196 and 331041205.

It is not an unprimeable number, because it can be changed into a prime (331041223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20690069 + ... + 20690084.

Almost surely, 2^331041224 is an apocalyptic number.

It is an amenable number.

331041224 is a deficient number, since it is larger than the sum of its proper divisors (289661086).

331041224 is a wasteful number, since it uses less digits than its factorization.

331041224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41380159 (or 41380155 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 331041224 is about 18194.5383013695. The cubic root of 331041224 is about 691.7683577649.

Adding to 331041224 its reverse (422140133), we get a palindrome (753181357).

The spelling of 331041224 in words is "three hundred thirty-one million, forty-one thousand, two hundred twenty-four".