321313103000 has 128 divisors (see below), whose sum is σ = 770634259200. Its totient is φ = 125337856000.

The previous prime is 321313102961. The next prime is 321313103011. The reversal of 321313103000 is 301313123.

It is a super-2 number, since 2×321313103000² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321313103000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13194836 + ... + 13219164.

It is an arithmetic number, because the mean of its divisors is an integer number (6020580150).

Almost surely, 2^321313103000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321313103000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385317129600).

321313103000 is an abundant number, since it is smaller than the sum of its proper divisors (449321156200).

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

321313103000 is a wasteful number, since it uses less digits than its factorization.

321313103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24678 (or 24664 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 321313103000 its reverse (301313123), we get a palindrome (321614416123).

The spelling of 321313103000 in words is "three hundred twenty-one billion, three hundred thirteen million, one hundred three thousand".