331120452 has 48 divisors (see below), whose sum is σ = 849768192. Its totient is φ = 99713280.

The previous prime is 331120451. The next prime is 331120453. The reversal of 331120452 is 254021133.

It is an interprime number because it is at equal distance from previous prime (331120451) and next prime (331120453).

It is not an unprimeable number, because it can be changed into a prime (331120451) 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 15 ways as a sum of consecutive naturals, for example, 15249 + ... + 29912.

It is an arithmetic number, because the mean of its divisors is an integer number (17703504).

Almost surely, 2^331120452 is an apocalyptic number.

It is an amenable number.

331120452 is an abundant number, since it is smaller than the sum of its proper divisors (518647740).

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

331120452 is a wasteful number, since it uses less digits than its factorization.

331120452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45228 (or 45226 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 331120452 is about 18196.7154178989. The cubic root of 331120452 is about 691.8235402696.

Adding to 331120452 its reverse (254021133), we get a palindrome (585141585).

The spelling of 331120452 in words is "three hundred thirty-one million, one hundred twenty thousand, four hundred fifty-two".