312000163 has 2 divisors, whose sum is σ = 312000164. Its totient is φ = 312000162.

The previous prime is 312000127. The next prime is 312000179. The reversal of 312000163 is 361000213.

It is an a-pointer prime, because the next prime (312000179) can be obtained adding 312000163 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312000163 - 2¹³ = 311991971 is a prime.

It is not a weakly prime, because it can be changed into another prime (312000193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156000081 + 156000082.

It is an arithmetic number, because the mean of its divisors is an integer number (156000082).

Almost surely, 2^312000163 is an apocalyptic number.

312000163 is a deficient number, since it is larger than the sum of its proper divisors (1).

312000163 is an equidigital number, since it uses as much as digits as its factorization.

312000163 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 16.

The square root of 312000163 is about 17663.5263466840. The cubic root of 312000163 is about 678.2424067155.

Adding to 312000163 its reverse (361000213), we get a palindrome (673000376).

Subtracting 312000163 from its reverse (361000213), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 312000163 in words is "three hundred twelve million, one hundred sixty-three", and thus it is an aban number.