Base | Representation |
---|---|
bin | 111101011110000… |
… | …110110010101001 |
3 | 2122212120120210222 |
4 | 331132012302221 |
5 | 4103003133223 |
6 | 250200215425 |
7 | 34361632166 |
oct | 7536066251 |
9 | 2585516728 |
10 | 1031302313 |
11 | 48a163768 |
12 | 24946a575 |
13 | 135879b72 |
14 | 9ad7906d |
15 | 608160c8 |
hex | 3d786ca9 |
1031302313 has 8 divisors (see below), whose sum is σ = 1078122048. Its totient is φ = 984647664.
The previous prime is 1031302309. The next prime is 1031302319. The reversal of 1031302313 is 3132031301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1031302313 - 22 = 1031302309 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1031302291 and 1031302300.
It is not an unprimeable number, because it can be changed into a prime (1031302319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28406 + ... + 53567.
It is an arithmetic number, because the mean of its divisors is an integer number (134765256).
Almost surely, 21031302313 is an apocalyptic number.
It is an amenable number.
1031302313 is a deficient number, since it is larger than the sum of its proper divisors (46819735).
1031302313 is an equidigital number, since it uses as much as digits as its factorization.
1031302313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82543.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 1031302313 is about 32113.8959486388. The cubic root of 1031302313 is about 1010.3270884537.
Adding to 1031302313 its reverse (3132031301), we get a palindrome (4163333614).
The spelling of 1031302313 in words is "one billion, thirty-one million, three hundred two thousand, three hundred thirteen".
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