320131204422 has 16 divisors (see below), whose sum is σ = 640283898432. Its totient is φ = 106706819880.

The previous prime is 320131204409. The next prime is 320131204451. The reversal of 320131204422 is 224402131023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320131204392 and 320131204401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698404 + ... + 1062087.

It is an arithmetic number, because the mean of its divisors is an integer number (40017743652).

Almost surely, 2^320131204422 is an apocalyptic number.

320131204422 is an abundant number, since it is smaller than the sum of its proper divisors (320152694010).

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

320131204422 is a wasteful number, since it uses less digits than its factorization.

320131204422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790803.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 320131204422 its reverse (224402131023), we get a palindrome (544533335445).

The spelling of 320131204422 in words is "three hundred twenty billion, one hundred thirty-one million, two hundred four thousand, four hundred twenty-two".