321135112135 has 48 divisors (see below), whose sum is σ = 404009266752. Its totient is φ = 244977177600.

The previous prime is 321135112099. The next prime is 321135112187. The reversal of 321135112135 is 531211531123.

It is not a de Polignac number, because 321135112135 - 2¹⁵ = 321135079367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129855259 + ... + 129857731.

It is an arithmetic number, because the mean of its divisors is an integer number (8416859724).

Almost surely, 2^321135112135 is an apocalyptic number.

321135112135 is a deficient number, since it is larger than the sum of its proper divisors (82874154617).

321135112135 is a wasteful number, since it uses less digits than its factorization.

321135112135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924 (or 2887 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

Adding to 321135112135 its reverse (531211531123), we get a palindrome (852346643258).

The spelling of 321135112135 in words is "three hundred twenty-one billion, one hundred thirty-five million, one hundred twelve thousand, one hundred thirty-five".