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315055163 is a prime number
BaseRepresentation
bin10010110001110…
…101110000111011
3210221211110102202
4102301311300323
51121123231123
651132420415
710543632113
oct2261656073
9727743382
10315055163
11151927675
128961770b
135036c597
142dbb2043
151c9d4a28
hex12c75c3b

315055163 has 2 divisors, whose sum is σ = 315055164. Its totient is φ = 315055162.

The previous prime is 315055157. The next prime is 315055177. The reversal of 315055163 is 361550513.

It is a weak prime.

It is an emirp because it is prime and its reverse (361550513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315055163 - 28 = 315054907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315055183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157527581 + 157527582.

It is an arithmetic number, because the mean of its divisors is an integer number (157527582).

Almost surely, 2315055163 is an apocalyptic number.

315055163 is a deficient number, since it is larger than the sum of its proper divisors (1).

315055163 is an equidigital number, since it uses as much as digits as its factorization.

315055163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 315055163 is about 17749.7933227404. The cubic root of 315055163 is about 680.4489271748.

The spelling of 315055163 in words is "three hundred fifteen million, fifty-five thousand, one hundred sixty-three".