331042342 has 8 divisors (see below), whose sum is σ = 497803032. Its totient is φ = 165108000.

The previous prime is 331042321. The next prime is 331042351. The reversal of 331042342 is 243240133.

It is a happy number.

331042342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205584 + ... + 207187.

It is an arithmetic number, because the mean of its divisors is an integer number (62225379).

Almost surely, 2^331042342 is an apocalyptic number.

331042342 is a deficient number, since it is larger than the sum of its proper divisors (166760690).

331042342 is a wasteful number, since it uses less digits than its factorization.

331042342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413174.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 331042342 is about 18194.5690248491. The cubic root of 331042342 is about 691.7691365160.

Adding to 331042342 its reverse (243240133), we get a palindrome (574282475).

The spelling of 331042342 in words is "three hundred thirty-one million, forty-two thousand, three hundred forty-two".