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317342317 = 1429222073
BaseRepresentation
bin10010111010100…
…100001001101101
3211010010122211011
4102322210021231
51122214423232
651253425221
710602236155
oct2272441155
9733118734
10317342317
11153149a86
128a33b211
1350990626
1430209765
151ccd7547
hex12ea426d

317342317 has 4 divisors (see below), whose sum is σ = 317565820. Its totient is φ = 317118816.

The previous prime is 317342309. The next prime is 317342341. The reversal of 317342317 is 713243713.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20848356 + 296493961 = 4566^2 + 17219^2 .

It is a cyclic number.

It is not a de Polignac number, because 317342317 - 23 = 317342309 is a prime.

It is a super-2 number, since 2×3173423172 = 201412292317856978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317342357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109608 + ... + 112465.

It is an arithmetic number, because the mean of its divisors is an integer number (79391455).

Almost surely, 2317342317 is an apocalyptic number.

It is an amenable number.

317342317 is a deficient number, since it is larger than the sum of its proper divisors (223503).

317342317 is a wasteful number, since it uses less digits than its factorization.

317342317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223502.

The product of its digits is 10584, while the sum is 31.

The square root of 317342317 is about 17814.1044400217. The cubic root of 317342317 is about 682.0915396430.

The spelling of 317342317 in words is "three hundred seventeen million, three hundred forty-two thousand, three hundred seventeen".

Divisors: 1 1429 222073 317342317