321113001203 has 4 divisors (see below), whose sum is σ = 322083131448. Its totient is φ = 320142870960.

The previous prime is 321113001197. The next prime is 321113001211. The reversal of 321113001203 is 302100311123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302100311123 = 13 ⋅23238485471.

It is a cyclic number.

It is not a de Polignac number, because 321113001203 - 2²⁰ = 321111952627 is a prime.

It is a super-3 number, since 3×321113001203³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321113001403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485064626 + ... + 485065287.

It is an arithmetic number, because the mean of its divisors is an integer number (80520782862).

Almost surely, 2^321113001203 is an apocalyptic number.

321113001203 is a deficient number, since it is larger than the sum of its proper divisors (970130245).

321113001203 is an equidigital number, since it uses as much as digits as its factorization.

321113001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970130244.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 321113001203 its reverse (302100311123), we get a palindrome (623213312326).

The spelling of 321113001203 in words is "three hundred twenty-one billion, one hundred thirteen million, one thousand, two hundred three".