321131112133 has 16 divisors (see below), whose sum is σ = 347128467840. Its totient is φ = 295320586176.

The previous prime is 321131112131. The next prime is 321131112149. The reversal of 321131112133 is 331211131123.

It is a cyclic number.

It is not a de Polignac number, because 321131112133 - 2¹ = 321131112131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321131112131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4230528 + ... + 4305766.

It is an arithmetic number, because the mean of its divisors is an integer number (21695529240).

Almost surely, 2^321131112133 is an apocalyptic number.

It is an amenable number.

321131112133 is a deficient number, since it is larger than the sum of its proper divisors (25997355707).

321131112133 is a wasteful number, since it uses less digits than its factorization.

321131112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76476.

The product of its digits is 324, while the sum is 22.

Adding to 321131112133 its reverse (331211131123), we get a palindrome (652342243256).

The spelling of 321131112133 in words is "three hundred twenty-one billion, one hundred thirty-one million, one hundred twelve thousand, one hundred thirty-three".