331420452 has 36 divisors (see below), whose sum is σ = 850010448. Its totient is φ = 100430000.

The previous prime is 331420447. The next prime is 331420483. The reversal of 331420452 is 254024133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112674 + ... + 115577.

Almost surely, 2^331420452 is an apocalyptic number.

It is an amenable number.

331420452 is an abundant number, since it is smaller than the sum of its proper divisors (518589996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331420452 is a wasteful number, since it uses less digits than its factorization.

331420452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228280 (or 228267 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 331420452 is about 18204.9567975318. The cubic root of 331420452 is about 692.0324113034.

Adding to 331420452 its reverse (254024133), we get a palindrome (585444585).

The spelling of 331420452 in words is "three hundred thirty-one million, four hundred twenty thousand, four hundred fifty-two".