Base | Representation |
---|---|
bin | 1000101001011011… |
… | …0010110011011111 |
3 | 12222202210202102011 |
4 | 2022112302303133 |
5 | 14223213343241 |
6 | 1022200012051 |
7 | 111344065345 |
oct | 21226626337 |
9 | 5882722364 |
10 | 2321231071 |
11 | a91302295 |
12 | 549461027 |
13 | 2acb99a13 |
14 | 1803d7995 |
15 | d8bb7281 |
hex | 8a5b2cdf |
2321231071 has 2 divisors, whose sum is σ = 2321231072. Its totient is φ = 2321231070.
The previous prime is 2321231069. The next prime is 2321231111. The reversal of 2321231071 is 1701321232.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2321231071 - 21 = 2321231069 is a prime.
It is a super-2 number, since 2×23212310712 = 10776227369951614082, which contains 22 as substring.
Together with 2321231069, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2321231771) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160615535 + 1160615536.
It is an arithmetic number, because the mean of its divisors is an integer number (1160615536).
Almost surely, 22321231071 is an apocalyptic number.
2321231071 is a deficient number, since it is larger than the sum of its proper divisors (1).
2321231071 is an equidigital number, since it uses as much as digits as its factorization.
2321231071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 2321231071 is about 48179.1559805690. The cubic root of 2321231071 is about 1324.0553030678.
The spelling of 2321231071 in words is "two billion, three hundred twenty-one million, two hundred thirty-one thousand, seventy-one".
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