Base | Representation |
---|---|
bin | 1000101000001101… |
… | …0101101101011001 |
3 | 12222102012122122121 |
4 | 2022003111231121 |
5 | 14220412144121 |
6 | 1021454421241 |
7 | 111252534661 |
oct | 21203255531 |
9 | 5872178577 |
10 | 2316131161 |
11 | a89439693 |
12 | 547801821 |
13 | 2abb02616 |
14 | 17d86b1a1 |
15 | d850b141 |
hex | 8a0d5b59 |
2316131161 has 4 divisors (see below), whose sum is σ = 2316615424. Its totient is φ = 2315646900.
The previous prime is 2316131159. The next prime is 2316131173. The reversal of 2316131161 is 1611316132.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2316131161 - 21 = 2316131159 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2316131101) 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, 234885 + ... + 244546.
It is an arithmetic number, because the mean of its divisors is an integer number (579153856).
Almost surely, 22316131161 is an apocalyptic number.
It is an amenable number.
2316131161 is a deficient number, since it is larger than the sum of its proper divisors (484263).
2316131161 is an equidigital number, since it uses as much as digits as its factorization.
2316131161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 484262.
The product of its digits is 648, while the sum is 25.
The square root of 2316131161 is about 48126.2003590560. The cubic root of 2316131161 is about 1323.0849107765.
Adding to 2316131161 its reverse (1611316132), we get a palindrome (3927447293).
The spelling of 2316131161 in words is "two billion, three hundred sixteen million, one hundred thirty-one thousand, one hundred sixty-one".
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