321213351133 has 8 divisors (see below), whose sum is σ = 326833284960. Its totient is φ = 315599272080.

The previous prime is 321213351097. The next prime is 321213351167. The reversal of 321213351133 is 331153312123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321213351133 - 2²⁹ = 320676480221 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 (321213351233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352935 + ... + 1572532.

It is an arithmetic number, because the mean of its divisors is an integer number (40854160620).

Almost surely, 2^321213351133 is an apocalyptic number.

It is an amenable number.

321213351133 is a deficient number, since it is larger than the sum of its proper divisors (5619933827).

321213351133 is a wasteful number, since it uses less digits than its factorization.

321213351133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927387.

The product of its digits is 4860, while the sum is 28.

Adding to 321213351133 its reverse (331153312123), we get a palindrome (652366663256).

The spelling of 321213351133 in words is "three hundred twenty-one billion, two hundred thirteen million, three hundred fifty-one thousand, one hundred thirty-three".