321020332220130 has 128 divisors (see below), whose sum is σ = 778412673181440. Its totient is φ = 84722408939520.

The previous prime is 321020332219969. The next prime is 321020332220141. The reversal of 321020332220130 is 31022233020123.

It is a self number, because there is not a number n which added to its sum of digits gives 321020332220130.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12108021754 + ... + 12108048266.

It is an arithmetic number, because the mean of its divisors is an integer number (6081349009230).

Almost surely, 2^{321020332220130} is an apocalyptic number.

321020332220130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

321020332220130 is an abundant number, since it is smaller than the sum of its proper divisors (457392340961310).

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

321020332220130 is a wasteful number, since it uses less digits than its factorization.

321020332220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30756.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 321020332220130 its reverse (31022233020123), we get a palindrome (352042565240253).

The spelling of 321020332220130 in words is "three hundred twenty-one trillion, twenty billion, three hundred thirty-two million, two hundred twenty thousand, one hundred thirty".