331445352 has 32 divisors (see below), whose sum is σ = 946987200. Its totient is φ = 94698624.

The previous prime is 331445299. The next prime is 331445377. The reversal of 331445352 is 253544133.

331445352 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986277 + ... + 986612.

It is an arithmetic number, because the mean of its divisors is an integer number (29593350).

Almost surely, 2^331445352 is an apocalyptic number.

It is an amenable number.

331445352 is an abundant number, since it is smaller than the sum of its proper divisors (615541848).

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

331445352 is a wasteful number, since it uses less digits than its factorization.

331445352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972905 (or 1972901 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 331445352 is about 18205.6406643655. The cubic root of 331445352 is about 692.0497419332.

Adding to 331445352 its reverse (253544133), we get a palindrome (584989485).

The spelling of 331445352 in words is "three hundred thirty-one million, four hundred forty-five thousand, three hundred fifty-two".