Base | Representation |
---|---|
bin | 111101011110100… |
… | …100000110011001 |
3 | 2122212210200111012 |
4 | 331132210012121 |
5 | 4103021003421 |
6 | 250202543305 |
7 | 34362642164 |
oct | 7536440631 |
9 | 2585720435 |
10 | 1031422361 |
11 | 48a235982 |
12 | 249507b35 |
13 | 1358bc6b8 |
14 | 9adaaadb |
15 | 6083b95b |
hex | 3d7a4199 |
1031422361 has 2 divisors, whose sum is σ = 1031422362. Its totient is φ = 1031422360.
The previous prime is 1031422339. The next prime is 1031422393. The reversal of 1031422361 is 1632241301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1019588761 + 11833600 = 31931^2 + 3440^2 .
It is an emirp because it is prime and its reverse (1632241301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1031422361 - 222 = 1027228057 is a prime.
It is not a weakly prime, because it can be changed into another prime (1031422331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515711180 + 515711181.
It is an arithmetic number, because the mean of its divisors is an integer number (515711181).
Almost surely, 21031422361 is an apocalyptic number.
It is an amenable number.
1031422361 is a deficient number, since it is larger than the sum of its proper divisors (1).
1031422361 is an equidigital number, since it uses as much as digits as its factorization.
1031422361 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 1031422361 is about 32115.7649916673. The cubic root of 1031422361 is about 1010.3662890641.
Adding to 1031422361 its reverse (1632241301), we get a palindrome (2663663662).
The spelling of 1031422361 in words is "one billion, thirty-one million, four hundred twenty-two thousand, three hundred sixty-one".
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