Base | Representation |
---|---|
bin | 111101011101110… |
… | …101001101101111 |
3 | 2122212102221001112 |
4 | 331131311031233 |
5 | 4102443332234 |
6 | 250154502235 |
7 | 34361212250 |
oct | 7535651557 |
9 | 2585387045 |
10 | 1031230319 |
11 | 48a114669 |
12 | 24943497b |
13 | 135853172 |
14 | 9ad5ab27 |
15 | 607eeace |
hex | 3d77536f |
1031230319 has 24 divisors (see below), whose sum is σ = 1282591968. Its totient is φ = 811560960.
The previous prime is 1031230313. The next prime is 1031230331. The reversal of 1031230319 is 9130321301.
It is a de Polignac number, because none of the positive numbers 2k-1031230319 is a prime.
It is a super-2 number, since 2×10312303192 = 2126871941649683522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1031230294 and 1031230303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031230313) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76727 + ... + 89159.
It is an arithmetic number, because the mean of its divisors is an integer number (53441332).
Almost surely, 21031230319 is an apocalyptic number.
1031230319 is a deficient number, since it is larger than the sum of its proper divisors (251361649).
1031230319 is a wasteful number, since it uses less digits than its factorization.
1031230319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12515 (or 12498 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 23.
The square root of 1031230319 is about 32112.7750124464. The cubic root of 1031230319 is about 1010.3035779918.
The spelling of 1031230319 in words is "one billion, thirty-one million, two hundred thirty thousand, three hundred nineteen".
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