321124043130133 has 2 divisors, whose sum is σ = 321124043130134. Its totient is φ = 321124043130132.

The previous prime is 321124043130091. The next prime is 321124043130179. The reversal of 321124043130133 is 331031340421123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220898275846609 + 100225767283524 = 14862647^2 + 10011282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321124043130133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321124043130095 and 321124043130104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321124043130193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160562021565066 + 160562021565067.

It is an arithmetic number, because the mean of its divisors is an integer number (160562021565067).

Almost surely, 2^{321124043130133} is an apocalyptic number.

It is an amenable number.

321124043130133 is a deficient number, since it is larger than the sum of its proper divisors (1).

321124043130133 is an equidigital number, since it uses as much as digits as its factorization.

321124043130133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 321124043130133 its reverse (331031340421123), we get a palindrome (652155383551256).

The spelling of 321124043130133 in words is "three hundred twenty-one trillion, one hundred twenty-four billion, forty-three million, one hundred thirty thousand, one hundred thirty-three".