331331330022 has 160 divisors (see below), whose sum is σ = 844505533440. Its totient is φ = 85941092160.

The previous prime is 331331329993. The next prime is 331331330053. The reversal of 331331330022 is 220033133133.

It is a junction number, because it is equal to n+sod(n) for n = 331331329974 and 331331330001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 228031848 + ... + 228033300.

It is an arithmetic number, because the mean of its divisors is an integer number (5278159584).

Almost surely, 2^331331330022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331331330022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422252766720).

331331330022 is an abundant number, since it is smaller than the sum of its proper divisors (513174203418).

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

331331330022 is a wasteful number, since it uses less digits than its factorization.

331331330022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936 (or 2915 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 331331330022 its reverse (220033133133), we get a palindrome (551364463155).

The spelling of 331331330022 in words is "three hundred thirty-one billion, three hundred thirty-one million, three hundred thirty thousand, twenty-two".