331221323332130 has 384 divisors, whose sum is σ = 762703621295616. Its totient is φ = 101355205754880.

The previous prime is 331221323332103. The next prime is 331221323332139. The reversal of 331221323332130 is 31233323122133.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (331221323332139) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 203577948377 + ... + 203577950003.

It is an arithmetic number, because the mean of its divisors is an integer number (1986207347124).

Almost surely, 2^{331221323332130} is an apocalyptic number.

331221323332130 is an abundant number, since it is smaller than the sum of its proper divisors (431482297963486).

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

331221323332130 is a wasteful number, since it uses less digits than its factorization.

331221323332130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 331221323332130 its reverse (31233323122133), we get a palindrome (362454646454263).

The spelling of 331221323332130 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, three hundred twenty-three million, three hundred thirty-two thousand, one hundred thirty".