322313212010861 has 2 divisors, whose sum is σ = 322313212010862. Its totient is φ = 322313212010860.

The previous prime is 322313212010809. The next prime is 322313212011059. The reversal of 322313212010861 is 168010212313223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322230538509961 + 82673500900 = 17950781^2 + 287530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322313212010861 is a prime.

It is a super-2 number, since 2×322313212010861² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322313212010161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161156606005430 + 161156606005431.

It is an arithmetic number, because the mean of its divisors is an integer number (161156606005431).

Almost surely, 2^{322313212010861} is an apocalyptic number.

It is an amenable number.

322313212010861 is a deficient number, since it is larger than the sum of its proper divisors (1).

322313212010861 is an equidigital number, since it uses as much as digits as its factorization.

322313212010861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 322313212010861 in words is "three hundred twenty-two trillion, three hundred thirteen billion, two hundred twelve million, ten thousand, eight hundred sixty-one".