331322452 has 48 divisors (see below), whose sum is σ = 643507200. Its totient is φ = 148465152.

The previous prime is 331322447. The next prime is 331322461. The reversal of 331322452 is 254223133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545533 + ... + 546139.

It is an arithmetic number, because the mean of its divisors is an integer number (13406400).

Almost surely, 2^331322452 is an apocalyptic number.

It is an amenable number.

331322452 is a deficient number, since it is larger than the sum of its proper divisors (312184748).

331322452 is a wasteful number, since it uses less digits than its factorization.

331322452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 998 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 331322452 is about 18202.2650238919. The cubic root of 331322452 is about 691.9641939663.

Adding to 331322452 its reverse (254223133), we get a palindrome (585545585).

The spelling of 331322452 in words is "three hundred thirty-one million, three hundred twenty-two thousand, four hundred fifty-two".