312170113 has 2 divisors, whose sum is σ = 312170114. Its totient is φ = 312170112.

The previous prime is 312170107. The next prime is 312170137. The reversal of 312170113 is 311071213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296425089 + 15745024 = 17217^2 + 3968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312170113 is a prime.

It is not a weakly prime, because it can be changed into another prime (312177113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156085056 + 156085057.

It is an arithmetic number, because the mean of its divisors is an integer number (156085057).

Almost surely, 2^312170113 is an apocalyptic number.

It is an amenable number.

312170113 is a deficient number, since it is larger than the sum of its proper divisors (1).

312170113 is an equidigital number, since it uses as much as digits as its factorization.

312170113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 312170113 is about 17668.3364525356. The cubic root of 312170113 is about 678.3655331194.

The spelling of 312170113 in words is "three hundred twelve million, one hundred seventy thousand, one hundred thirteen".