Base | Representation |
---|---|
bin | 1111101010000… |
… | …10111100100011 |
3 | 100011011002010111 |
4 | 13311002330203 |
5 | 232111034321 |
6 | 21011112151 |
7 | 3153265363 |
oct | 765027443 |
9 | 304132114 |
10 | 131346211 |
11 | 68161397 |
12 | 37ba2657 |
13 | 2129a469 |
14 | 136309a3 |
15 | b7e75e1 |
hex | 7d42f23 |
131346211 has 4 divisors (see below), whose sum is σ = 131580072. Its totient is φ = 131112352.
The previous prime is 131346203. The next prime is 131346217. The reversal of 131346211 is 112643131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112643131 = 151 ⋅745981.
It is a cyclic number.
It is not a de Polignac number, because 131346211 - 23 = 131346203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131346217) 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, 116086 + ... + 117211.
It is an arithmetic number, because the mean of its divisors is an integer number (32895018).
Almost surely, 2131346211 is an apocalyptic number.
131346211 is a deficient number, since it is larger than the sum of its proper divisors (233861).
131346211 is an equidigital number, since it uses as much as digits as its factorization.
131346211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233860.
The product of its digits is 432, while the sum is 22.
The square root of 131346211 is about 11460.6374604557. The cubic root of 131346211 is about 508.3223239635.
Adding to 131346211 its reverse (112643131), we get a palindrome (243989342).
It can be divided in two parts, 1313 and 46211, that added together give a square (47524 = 2182).
The spelling of 131346211 in words is "one hundred thirty-one million, three hundred forty-six thousand, two hundred eleven".
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