312402312031169 has 2 divisors, whose sum is σ = 312402312031170. Its totient is φ = 312402312031168.

The previous prime is 312402312031157. The next prime is 312402312031223. The reversal of 312402312031169 is 961130213204213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298387172088769 + 14015139942400 = 17273887^2 + 3743680^2 .

It is a cyclic number.

It is not a de Polignac number, because 312402312031169 - 2²⁴ = 312402295253953 is a prime.

It is a super-2 number, since 2×312402312031169² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312402312081169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156201156015584 + 156201156015585.

It is an arithmetic number, because the mean of its divisors is an integer number (156201156015585).

Almost surely, 2^{312402312031169} is an apocalyptic number.

It is an amenable number.

312402312031169 is a deficient number, since it is larger than the sum of its proper divisors (1).

312402312031169 is an equidigital number, since it uses as much as digits as its factorization.

312402312031169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 312402312031169 in words is "three hundred twelve trillion, four hundred two billion, three hundred twelve million, thirty-one thousand, one hundred sixty-nine".