320331213422 has 32 divisors (see below), whose sum is σ = 531981182304. Its totient is φ = 143442316800.

The previous prime is 320331213409. The next prime is 320331213437. The reversal of 320331213422 is 224312133023.

It is a happy number.

It is a super-2 number, since 2×320331213422² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320331213391 and 320331213400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259972 + ... + 1492712.

It is an arithmetic number, because the mean of its divisors is an integer number (16624411947).

Almost surely, 2^320331213422 is an apocalyptic number.

320331213422 is a deficient number, since it is larger than the sum of its proper divisors (211649968882).

320331213422 is a wasteful number, since it uses less digits than its factorization.

320331213422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233684.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 320331213422 its reverse (224312133023), we get a palindrome (544643346445).

The spelling of 320331213422 in words is "three hundred twenty billion, three hundred thirty-one million, two hundred thirteen thousand, four hundred twenty-two".