331535042 has 8 divisors (see below), whose sum is σ = 505731600. Its totient is φ = 162957844.

The previous prime is 331535027. The next prime is 331535063. The reversal of 331535042 is 240535133.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1404692 + ... + 1404927.

It is an arithmetic number, because the mean of its divisors is an integer number (63216450).

Almost surely, 2^331535042 is an apocalyptic number.

331535042 is a deficient number, since it is larger than the sum of its proper divisors (174196558).

331535042 is a wasteful number, since it uses less digits than its factorization.

331535042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809680.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 331535042 is about 18208.1037453108. The cubic root of 331535042 is about 692.1121598080.

Subtracting from 331535042 its reverse (240535133), we obtain a palindrome (90999909).

The spelling of 331535042 in words is "three hundred thirty-one million, five hundred thirty-five thousand, forty-two".