331324497 has 24 divisors (see below), whose sum is σ = 564595200. Its totient is φ = 183219840.

The previous prime is 331324481. The next prime is 331324561. The reversal of 331324497 is 794423133.

331324497 is a `hidden beast` number, since 33 + 132 + 4 + 497 = 666.

It is not a de Polignac number, because 331324497 - 2⁴ = 331324481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331324457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82872 + ... + 86777.

It is an arithmetic number, because the mean of its divisors is an integer number (23524800).

Almost surely, 2^331324497 is an apocalyptic number.

It is an amenable number.

331324497 is a deficient number, since it is larger than the sum of its proper divisors (233270703).

331324497 is a wasteful number, since it uses less digits than its factorization.

331324497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169693 (or 169690 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 331324497 is about 18202.3211981329. The cubic root of 331324497 is about 691.9656176186.

The spelling of 331324497 in words is "three hundred thirty-one million, three hundred twenty-four thousand, four hundred ninety-seven".