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317342971 = 11233123817
BaseRepresentation
bin10010111010100…
…100010011111011
3211010010200201101
4102322210103323
51122214433341
651253432231
710602241111
oct2272442373
9733120641
10317342971
1115314a520
128a33b677
1350990a0a
1430209ab1
151ccd7831
hex12ea44fb

317342971 has 8 divisors (see below), whose sum is σ = 347680944. Its totient is φ = 287253120.

The previous prime is 317342929. The next prime is 317342999. The reversal of 317342971 is 179243713.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 317342971 - 27 = 317342843 is a prime.

It is a super-2 number, since 2×3173429712 = 201413122486213682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 317342971.

It is not an unprimeable number, because it can be changed into a prime (317342771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59346 + ... + 64471.

It is an arithmetic number, because the mean of its divisors is an integer number (43460118).

Almost surely, 2317342971 is an apocalyptic number.

317342971 is a deficient number, since it is larger than the sum of its proper divisors (30337973).

317342971 is a wasteful number, since it uses less digits than its factorization.

317342971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124061.

The product of its digits is 31752, while the sum is 37.

The square root of 317342971 is about 17814.1227962535. The cubic root of 317342971 is about 682.0920082091.

The spelling of 317342971 in words is "three hundred seventeen million, three hundred forty-two thousand, nine hundred seventy-one".

Divisors: 1 11 233 2563 123817 1361987 28849361 317342971