321312230133 has 16 divisors (see below), whose sum is σ = 452641003200. Its totient is φ = 202179628800.

The previous prime is 321312230081. The next prime is 321312230137. The reversal of 321312230133 is 331032213123.

It is not a de Polignac number, because 321312230133 - 2²¹ = 321310132981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321312230137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10462468 + ... + 10493133.

It is an arithmetic number, because the mean of its divisors is an integer number (28290062700).

Almost surely, 2^321312230133 is an apocalyptic number.

It is an amenable number.

321312230133 is a deficient number, since it is larger than the sum of its proper divisors (131328773067).

321312230133 is a wasteful number, since it uses less digits than its factorization.

321312230133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20955892.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 321312230133 its reverse (331032213123), we get a palindrome (652344443256).

The spelling of 321312230133 in words is "three hundred twenty-one billion, three hundred twelve million, two hundred thirty thousand, one hundred thirty-three".