Base | Representation |
---|---|
bin | 1111101001001… |
… | …10111001010010 |
3 | 100010221020112001 |
4 | 13310212321102 |
5 | 232043400224 |
6 | 21004424214 |
7 | 3152306404 |
oct | 764467122 |
9 | 303836461 |
10 | 131231314 |
11 | 68093035 |
12 | 37b4806a |
13 | 2125a086 |
14 | 13600b74 |
15 | b7c3544 |
hex | 7d26e52 |
131231314 has 8 divisors (see below), whose sum is σ = 196920828. Its totient is φ = 65591040.
The previous prime is 131231299. The next prime is 131231323. The reversal of 131231314 is 413132131.
It can be written as a sum of positive squares in 2 ways, for example, as 99500625 + 31730689 = 9975^2 + 5633^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 131231291 and 131231300.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707 + ... + 16870.
Almost surely, 2131231314 is an apocalyptic number.
131231314 is a deficient number, since it is larger than the sum of its proper divisors (65689514).
131231314 is a wasteful number, since it uses less digits than its factorization.
131231314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24620.
The product of its digits is 216, while the sum is 19.
The square root of 131231314 is about 11455.6236844617. The cubic root of 131231314 is about 508.1740599519.
Adding to 131231314 its reverse (413132131), we get a palindrome (544363445).
The spelling of 131231314 in words is "one hundred thirty-one million, two hundred thirty-one thousand, three hundred fourteen".
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