331671322056 has 128 divisors (see below), whose sum is σ = 883862928000. Its totient is φ = 103354552320.

The previous prime is 331671322027. The next prime is 331671322079. The reversal of 331671322056 is 650223176133.

331671322056 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×331671322056² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122885395 + ... + 122888093.

It is an arithmetic number, because the mean of its divisors is an integer number (6905179125).

Almost surely, 2^331671322056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331671322056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441931464000).

331671322056 is an abundant number, since it is smaller than the sum of its proper divisors (552191605944).

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

331671322056 is a wasteful number, since it uses less digits than its factorization.

331671322056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639 (or 4635 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

Adding to 331671322056 its reverse (650223176133), we get a palindrome (981894498189).

The spelling of 331671322056 in words is "three hundred thirty-one billion, six hundred seventy-one million, three hundred twenty-two thousand, fifty-six".