321213323130100 has 144 divisors (see below), whose sum is σ = 701097102538560. Its totient is φ = 127738235520000.

The previous prime is 321213323130079. The next prime is 321213323130109. The reversal of 321213323130100 is 1031323312123.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213323130109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67017173304 + ... + 67017178096.

It is an arithmetic number, because the mean of its divisors is an integer number (4868729878740).

Almost surely, 2^{321213323130100} is an apocalyptic number.

It is an amenable number.

321213323130100 is an abundant number, since it is smaller than the sum of its proper divisors (379883779408460).

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

321213323130100 is a wasteful number, since it uses less digits than its factorization.

321213323130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9410 (or 9403 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 321213323130100 its reverse (1031323312123), we get a palindrome (322244646442223).

The spelling of 321213323130100 in words is "three hundred twenty-one trillion, two hundred thirteen billion, three hundred twenty-three million, one hundred thirty thousand, one hundred".