321132053051 has 2 divisors, whose sum is σ = 321132053052. Its totient is φ = 321132053050.

The previous prime is 321132053041. The next prime is 321132053093. The reversal of 321132053051 is 150350231123.

It is a weak prime.

It is an emirp because it is prime and its reverse (150350231123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321132053051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321132053051.

It is not a weakly prime, because it can be changed into another prime (321132053041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160566026525 + 160566026526.

It is an arithmetic number, because the mean of its divisors is an integer number (160566026526).

Almost surely, 2^321132053051 is an apocalyptic number.

321132053051 is a deficient number, since it is larger than the sum of its proper divisors (1).

321132053051 is an equidigital number, since it uses as much as digits as its factorization.

321132053051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 321132053051 its reverse (150350231123), we get a palindrome (471482284174).

The spelling of 321132053051 in words is "three hundred twenty-one billion, one hundred thirty-two million, fifty-three thousand, fifty-one".