321305044117 has 2 divisors, whose sum is σ = 321305044118. Its totient is φ = 321305044116.

The previous prime is 321305044097. The next prime is 321305044183. The reversal of 321305044117 is 711440503123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217336845636 + 103968198481 = 466194^2 + 322441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321305044117 is a prime.

It is a super-3 number, since 3×321305044117³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321305048117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160652522058 + 160652522059.

It is an arithmetic number, because the mean of its divisors is an integer number (160652522059).

Almost surely, 2^321305044117 is an apocalyptic number.

It is an amenable number.

321305044117 is a deficient number, since it is larger than the sum of its proper divisors (1).

321305044117 is an equidigital number, since it uses as much as digits as its factorization.

321305044117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 321305044117 in words is "three hundred twenty-one billion, three hundred five million, forty-four thousand, one hundred seventeen".