Base | Representation |
---|---|
bin | 11110000000111110111… |
… | …10000101001100000111 |
3 | 10122121000110202220012101 |
4 | 33000133132011030013 |
5 | 113344120423132221 |
6 | 2105440521332531 |
7 | 134340034316212 |
oct | 17003736051407 |
9 | 3577013686171 |
10 | 1031320130311 |
11 | 368420366409 |
12 | 147a63037147 |
13 | 76339cc6423 |
14 | 37cb7d32779 |
15 | 1bc61209d91 |
hex | f01f785307 |
1031320130311 has 12 divisors (see below), whose sum is σ = 1056143423208. Its totient is φ = 1007067542544.
The previous prime is 1031320130287. The next prime is 1031320130317. The reversal of 1031320130311 is 1130310231301.
1031320130311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1031320130311 - 217 = 1031319999239 is a prime.
It is a super-2 number, since 2×10313201303112 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031320130317) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7051816 + ... + 7196578.
It is an arithmetic number, because the mean of its divisors is an integer number (88011951934).
Almost surely, 21031320130311 is an apocalyptic number.
1031320130311 is a deficient number, since it is larger than the sum of its proper divisors (24823292897).
1031320130311 is an equidigital number, since it uses as much as digits as its factorization.
1031320130311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148702 (or 148659 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 1031320130311 its reverse (1130310231301), we get a palindrome (2161630361612).
The spelling of 1031320130311 in words is "one trillion, thirty-one billion, three hundred twenty million, one hundred thirty thousand, three hundred eleven".
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