331201322000 has 40 divisors (see below), whose sum is σ = 800844801432. Its totient is φ = 132480528000.

The previous prime is 331201321981. The next prime is 331201322021. The reversal of 331201322000 is 223102133.

It can be written as a sum of positive squares in 4 ways, for example, as 45066194944 + 286135127056 = 212288^2 + 534916^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 331201322000.

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, 82798331 + ... + 82802330.

Almost surely, 2^331201322000 is an apocalyptic number.

It is an amenable number.

331201322000 is an abundant number, since it is smaller than the sum of its proper divisors (469643479432).

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

331201322000 is a wasteful number, since it uses less digits than its factorization.

331201322000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165600684 (or 165600668 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 331201322000 its reverse (223102133), we get a palindrome (331424424133).

The spelling of 331201322000 in words is "three hundred thirty-one billion, two hundred one million, three hundred twenty-two thousand".