321321113003 has 4 divisors (see below), whose sum is σ = 350532123288. Its totient is φ = 292110102720.

The previous prime is 321321112999. The next prime is 321321113011. The reversal of 321321113003 is 300311123123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321321113003 - 2² = 321321112999 is a prime.

It is a super-2 number, since 2×321321113003² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321321113023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14605505126 + ... + 14605505147.

It is an arithmetic number, because the mean of its divisors is an integer number (87633030822).

Almost surely, 2^321321113003 is an apocalyptic number.

321321113003 is a deficient number, since it is larger than the sum of its proper divisors (29211010285).

321321113003 is a wasteful number, since it uses less digits than its factorization.

321321113003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29211010284.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 321321113003 its reverse (300311123123), we get a palindrome (621632236126).

The spelling of 321321113003 in words is "three hundred twenty-one billion, three hundred twenty-one million, one hundred thirteen thousand, three".