331331140 has 48 divisors (see below), whose sum is σ = 811440000. Its totient is φ = 113596896.

The previous prime is 331331129. The next prime is 331331149. The reversal of 331331140 is 41133133.

331331140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (331331149) 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, 17290 + ... + 31009.

It is an arithmetic number, because the mean of its divisors is an integer number (16905000).

Almost surely, 2^331331140 is an apocalyptic number.

It is an amenable number.

331331140 is an abundant number, since it is smaller than the sum of its proper divisors (480108860).

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

331331140 is a wasteful number, since it uses less digits than its factorization.

331331140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48329 (or 48313 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 331331140 is about 18202.5036739455. The cubic root of 331331140 is about 691.9702421854.

Adding to 331331140 its reverse (41133133), we get a palindrome (372464273).

It can be divided in two parts, 3313 and 31140, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 331331140 in words is "three hundred thirty-one million, three hundred thirty-one thousand, one hundred forty".