Base | Representation |
---|---|
bin | 10010111001010… |
… | …111001011010111 |
3 | 211002112122022220 |
4 | 102321113023113 |
5 | 1122124331111 |
6 | 51242553423 |
7 | 10566454026 |
oct | 2271271327 |
9 | 732478286 |
10 | 317027031 |
11 | 152a54112 |
12 | 8a208873 |
13 | 508acc79 |
14 | 301668bd |
15 | 1cc73e06 |
hex | 12e572d7 |
317027031 has 4 divisors (see below), whose sum is σ = 422702712. Its totient is φ = 211351352.
The previous prime is 317027017. The next prime is 317027041. The reversal of 317027031 is 130720713.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130720713 = 3 ⋅43573571.
It is a cyclic number.
It is not a de Polignac number, because 317027031 - 26 = 317026967 is a prime.
It is a super-2 number, since 2×3170270312 = 201012276769349922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 317026992 and 317027010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (317027041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52837836 + ... + 52837841.
It is an arithmetic number, because the mean of its divisors is an integer number (105675678).
Almost surely, 2317027031 is an apocalyptic number.
317027031 is a deficient number, since it is larger than the sum of its proper divisors (105675681).
317027031 is a wasteful number, since it uses less digits than its factorization.
317027031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105675680.
The product of its (nonzero) digits is 882, while the sum is 24.
The square root of 317027031 is about 17805.2529046908. The cubic root of 317027031 is about 681.8655742201.
Adding to 317027031 its reverse (130720713), we get a palindrome (447747744).
The spelling of 317027031 in words is "three hundred seventeen million, twenty-seven thousand, thirty-one".
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