Base | Representation |
---|---|
bin | 1000100111010011… |
… | …0100001101011011 |
3 | 12222011001020010002 |
4 | 2021310310031123 |
5 | 14213423331211 |
6 | 1021241043215 |
7 | 111205300121 |
oct | 21164641533 |
9 | 5864036102 |
10 | 2312323931 |
11 | a87279215 |
12 | 54648650b |
13 | 2ab09b718 |
14 | 17d159911 |
15 | d800803b |
hex | 89d3435b |
2312323931 has 2 divisors, whose sum is σ = 2312323932. Its totient is φ = 2312323930.
The previous prime is 2312323913. The next prime is 2312323933. The reversal of 2312323931 is 1393232132.
2312323931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Together with previous prime (2312323913) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2312323931 - 210 = 2312322907 is a prime.
It is a super-2 number, since 2×23123239312 = 10693683923750585522, which contains 22 as substring.
Together with 2312323933, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 2312323894 and 2312323903.
It is not a weakly prime, because it can be changed into another prime (2312323933) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156161965 + 1156161966.
It is an arithmetic number, because the mean of its divisors is an integer number (1156161966).
Almost surely, 22312323931 is an apocalyptic number.
2312323931 is a deficient number, since it is larger than the sum of its proper divisors (1).
2312323931 is an equidigital number, since it uses as much as digits as its factorization.
2312323931 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5832, while the sum is 29.
The square root of 2312323931 is about 48086.6294410411. The cubic root of 2312323931 is about 1322.3595558898.
The spelling of 2312323931 in words is "two billion, three hundred twelve million, three hundred twenty-three thousand, nine hundred thirty-one".
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