331443134 has 48 divisors (see below), whose sum is σ = 571825008. Its totient is φ = 142848000.

The previous prime is 331443131. The next prime is 331443143. The reversal of 331443134 is 431344133.

It is a happy number.

331443134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331443131) 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 23 ways as a sum of consecutive naturals, for example, 1289534 + ... + 1289790.

It is an arithmetic number, because the mean of its divisors is an integer number (11913021).

Almost surely, 2^331443134 is an apocalyptic number.

331443134 is a deficient number, since it is larger than the sum of its proper divisors (240381874).

331443134 is a wasteful number, since it uses less digits than its factorization.

331443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 362 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 331443134 is about 18205.5797490769. The cubic root of 331443134 is about 692.0481982200.

Adding to 331443134 its reverse (431344133), we get a palindrome (762787267).

Subtracting 331443134 from its reverse (431344133), we obtain a palindrome (99900999).

The spelling of 331443134 in words is "three hundred thirty-one million, four hundred forty-three thousand, one hundred thirty-four".