321243021022130 has 64 divisors (see below), whose sum is σ = 581938700451840. Its totient is φ = 127677392606400.

The previous prime is 321243021022103. The next prime is 321243021022139. The reversal of 321243021022130 is 31220120342123.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 321243021022130.

It is not an unprimeable number, because it can be changed into a prime (321243021022139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1974720695 + ... + 1974883365.

It is an arithmetic number, because the mean of its divisors is an integer number (9092792194560).

Almost surely, 2^{321243021022130} is an apocalyptic number.

321243021022130 is a deficient number, since it is larger than the sum of its proper divisors (260695679429710).

321243021022130 is a wasteful number, since it uses less digits than its factorization.

321243021022130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164735.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 321243021022130 its reverse (31220120342123), we get a palindrome (352463141364253).

The spelling of 321243021022130 in words is "three hundred twenty-one trillion, two hundred forty-three billion, twenty-one million, twenty-two thousand, one hundred thirty".