321213022031133 has 12 divisors (see below), whose sum is σ = 484147163641440. Its totient is φ = 204831492309576.

The previous prime is 321213022031053. The next prime is 321213022031141. The reversal of 321213022031133 is 331130220312123.

321213022031133 is a `hidden beast` number, since 3 + 2 + 1 + 21 + 302 + 20 + 311 + 3 + 3 = 666.

It is not a de Polignac number, because 321213022031133 - 2²² = 321213017836829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321213022031097 and 321213022031106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213026031133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 775876864603 + ... + 775876865016.

It is an arithmetic number, because the mean of its divisors is an integer number (40345596970120).

Almost surely, 2^{321213022031133} is an apocalyptic number.

It is an amenable number.

321213022031133 is a deficient number, since it is larger than the sum of its proper divisors (162934141610307).

321213022031133 is a wasteful number, since it uses less digits than its factorization.

321213022031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551753729648 (or 1551753729645 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 321213022031133 its reverse (331130220312123), we get a palindrome (652343242343256).

The spelling of 321213022031133 in words is "three hundred twenty-one trillion, two hundred thirteen billion, twenty-two million, thirty-one thousand, one hundred thirty-three".