Base | Representation |
---|---|
bin | 10010111001001… |
… | …001000001000111 |
3 | 211002102200202202 |
4 | 102321021001013 |
5 | 1122121002111 |
6 | 51241425115 |
7 | 10566122651 |
oct | 2271110107 |
9 | 732380682 |
10 | 316969031 |
11 | 152a14585 |
12 | 8a19b19b |
13 | 5088c752 |
14 | 3014d6d1 |
15 | 1cc61b3b |
hex | 12e49047 |
316969031 has 2 divisors, whose sum is σ = 316969032. Its totient is φ = 316969030.
The previous prime is 316969021. The next prime is 316969069. The reversal of 316969031 is 130969613.
It is an a-pointer prime, because the next prime (316969069) can be obtained adding 316969031 to its sum of digits (38).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 316969031 - 226 = 249860167 is a prime.
It is a super-3 number, since 3×3169690313 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (316969021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158484515 + 158484516.
It is an arithmetic number, because the mean of its divisors is an integer number (158484516).
Almost surely, 2316969031 is an apocalyptic number.
316969031 is a deficient number, since it is larger than the sum of its proper divisors (1).
316969031 is an equidigital number, since it uses as much as digits as its factorization.
316969031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 26244, while the sum is 38.
The square root of 316969031 is about 17803.6240973573. The cubic root of 316969031 is about 681.8239893167.
The spelling of 316969031 in words is "three hundred sixteen million, nine hundred sixty-nine thousand, thirty-one".
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