Base | Representation |
---|---|
bin | 111101011110001… |
… | …011110110001111 |
3 | 2122212121122020000 |
4 | 331132023312033 |
5 | 4103004314043 |
6 | 250200455343 |
7 | 34362046443 |
oct | 7536136617 |
9 | 2585548200 |
10 | 1031323023 |
11 | 48a178285 |
12 | 24947a553 |
13 | 135886413 |
14 | 9ad82823 |
15 | 6081c2d3 |
hex | 3d78bd8f |
1031323023 has 10 divisors (see below), whose sum is σ = 1540618464. Its totient is φ = 687548628.
The previous prime is 1031322997. The next prime is 1031323039. The reversal of 1031323023 is 3203231301.
It is not a de Polignac number, because 1031323023 - 25 = 1031322991 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1031322987 and 1031323005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031323043) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6366111 + ... + 6366272.
Almost surely, 21031323023 is an apocalyptic number.
1031323023 is a deficient number, since it is larger than the sum of its proper divisors (509295441).
1031323023 is an equidigital number, since it uses as much as digits as its factorization.
1031323023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12732395 (or 12732386 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 1031323023 is about 32114.2183931043. The cubic root of 1031323023 is about 1010.3338513378. Note that the first 3 decimals are identical.
Adding to 1031323023 its reverse (3203231301), we get a palindrome (4234554324).
The spelling of 1031323023 in words is "one billion, thirty-one million, three hundred twenty-three thousand, twenty-three".
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