331000223320 has 64 divisors (see below), whose sum is σ = 802136351520. Its totient is φ = 122200633344.

The previous prime is 331000223299. The next prime is 331000223363. The reversal of 331000223320 is 23322000133.

It is a happy number.

It is a super-2 number, since 2×331000223320² (a number of 24 digits) contains 22 as substring.

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, 4842099 + ... + 4909981.

Almost surely, 2^331000223320 is an apocalyptic number.

It is an amenable number.

331000223320 is an abundant number, since it is smaller than the sum of its proper divisors (471136128200).

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

331000223320 is a wasteful number, since it uses less digits than its factorization.

331000223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77284 (or 77280 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 331000223320 its reverse (23322000133), we get a palindrome (354322223453).

The spelling of 331000223320 in words is "three hundred thirty-one billion, two hundred twenty-three thousand, three hundred twenty".