331342432321 has 8 divisors (see below), whose sum is σ = 350847586944. Its totient is φ = 311838880320.

The previous prime is 331342432303. The next prime is 331342432331. The reversal of 331342432321 is 123234243133.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 331342432321 - 2¹³ = 331342424129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331342432331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38796 + ... + 814978.

It is an arithmetic number, because the mean of its divisors is an integer number (43855948368).

Almost surely, 2^331342432321 is an apocalyptic number.

It is an amenable number.

331342432321 is a deficient number, since it is larger than the sum of its proper divisors (19505154623).

331342432321 is a wasteful number, since it uses less digits than its factorization.

331342432321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801311.

The product of its digits is 31104, while the sum is 31.

Adding to 331342432321 its reverse (123234243133), we get a palindrome (454576675454).

The spelling of 331342432321 in words is "three hundred thirty-one billion, three hundred forty-two million, four hundred thirty-two thousand, three hundred twenty-one".