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317324137 = 1324409549
BaseRepresentation
bin10010111010011…
…111101101101001
3211010002201212211
4102322133231221
51122213333022
651253205121
710602132154
oct2272375551
9733081784
10317324137
11153137359
128a3307a1
1350985280
1430202c9b
151ccd1e77
hex12e9fb69

317324137 has 4 divisors (see below), whose sum is σ = 341733700. Its totient is φ = 292914576.

The previous prime is 317324131. The next prime is 317324143. The reversal of 317324137 is 731423713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731423713 = 2331801031.

It is an interprime number because it is at equal distance from previous prime (317324131) and next prime (317324143).

It can be written as a sum of positive squares in 2 ways, for example, as 50851161 + 266472976 = 7131^2 + 16324^2 .

It is a cyclic number.

It is not a de Polignac number, because 317324137 - 27 = 317324009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317324099 and 317324108.

It is not an unprimeable number, because it can be changed into a prime (317324131) 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, 12204762 + ... + 12204787.

It is an arithmetic number, because the mean of its divisors is an integer number (85433425).

Almost surely, 2317324137 is an apocalyptic number.

It is an amenable number.

317324137 is a deficient number, since it is larger than the sum of its proper divisors (24409563).

317324137 is a wasteful number, since it uses less digits than its factorization.

317324137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24409562.

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

The square root of 317324137 is about 17813.5941628858. The cubic root of 317324137 is about 682.0785141074.

The spelling of 317324137 in words is "three hundred seventeen million, three hundred twenty-four thousand, one hundred thirty-seven".

Divisors: 1 13 24409549 317324137