331242430422 has 8 divisors (see below), whose sum is σ = 662484860856. Its totient is φ = 110414143472.

The previous prime is 331242430411. The next prime is 331242430457. The reversal of 331242430422 is 224034242133.

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

331242430422 is an admirable number.

It is a super-2 number, since 2×331242430422² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331242430422.

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, 27603535863 + ... + 27603535874.

It is an arithmetic number, because the mean of its divisors is an integer number (82810607607).

Almost surely, 2^331242430422 is an apocalyptic number.

331242430422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

331242430422 is a wasteful number, since it uses less digits than its factorization.

331242430422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55207071742.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 331242430422 its reverse (224034242133), we get a palindrome (555276672555).

The spelling of 331242430422 in words is "three hundred thirty-one billion, two hundred forty-two million, four hundred thirty thousand, four hundred twenty-two".