321303012101 has 2 divisors, whose sum is σ = 321303012102. Its totient is φ = 321303012100.

The previous prime is 321303012091. The next prime is 321303012133. The reversal of 321303012101 is 101210303123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311777056900 + 9525955201 = 558370^2 + 97601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321303012101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321303012101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321303032101) 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, 160651506050 + 160651506051.

It is an arithmetic number, because the mean of its divisors is an integer number (160651506051).

Almost surely, 2^321303012101 is an apocalyptic number.

It is an amenable number.

321303012101 is a deficient number, since it is larger than the sum of its proper divisors (1).

321303012101 is an equidigital number, since it uses as much as digits as its factorization.

321303012101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 321303012101 its reverse (101210303123), we get a palindrome (422513315224).

The spelling of 321303012101 in words is "three hundred twenty-one billion, three hundred three million, twelve thousand, one hundred one".