Base | Representation |
---|---|
bin | 1001000111010000001… |
… | …00110100011111110110 |
3 | 1002221020122122021100211 |
4 | 10203220010310133312 |
5 | 20112243043114110 |
6 | 355503412500034 |
7 | 31423453323403 |
oct | 4435004643766 |
9 | 1087218567324 |
10 | 313131223030 |
11 | 11088645953a |
12 | 5082b01a61a |
13 | 236b3456972 |
14 | 112270a92aa |
15 | 822a3d198a |
hex | 48e81347f6 |
313131223030 has 8 divisors (see below), whose sum is σ = 563636201472. Its totient is φ = 125252489208.
The previous prime is 313131222997. The next prime is 313131223043. The reversal of 313131223030 is 30322131313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 313131222992 and 313131223010.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15656561142 + ... + 15656561161.
It is an arithmetic number, because the mean of its divisors is an integer number (70454525184).
Almost surely, 2313131223030 is an apocalyptic number.
313131223030 is a deficient number, since it is larger than the sum of its proper divisors (250504978442).
313131223030 is a wasteful number, since it uses less digits than its factorization.
313131223030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31313122310.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 313131223030 its reverse (30322131313), we get a palindrome (343453354343).
The spelling of 313131223030 in words is "three hundred thirteen billion, one hundred thirty-one million, two hundred twenty-three thousand, thirty".
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