Base | Representation |
---|---|
bin | 1001000111010000001… |
… | …00000101101001011001 |
3 | 1002221020122021112010101 |
4 | 10203220010011221121 |
5 | 20112243020444004 |
6 | 355503404415401 |
7 | 31423451564050 |
oct | 4435004055131 |
9 | 1087218245111 |
10 | 313131031129 |
11 | 110886338344 |
12 | 5082ab47561 |
13 | 236b33ba507 |
14 | 11227059397 |
15 | 822a394ba4 |
hex | 48e8105a59 |
313131031129 has 8 divisors (see below), whose sum is σ = 366186455360. Its totient is φ = 262156211856.
The previous prime is 313131031079. The next prime is 313131031133. The reversal of 313131031129 is 921130131313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 313131031129 - 29 = 313131030617 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 313131031097 and 313131031106.
It is not an unprimeable number, because it can be changed into a prime (313131031729) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520150914 + ... + 520151515.
It is an arithmetic number, because the mean of its divisors is an integer number (45773306920).
Almost surely, 2313131031129 is an apocalyptic number.
It is an amenable number.
313131031129 is a deficient number, since it is larger than the sum of its proper divisors (53055424231).
313131031129 is a wasteful number, since it uses less digits than its factorization.
313131031129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1040302479.
The product of its (nonzero) digits is 1458, while the sum is 28.
The spelling of 313131031129 in words is "three hundred thirteen billion, one hundred thirty-one million, thirty-one thousand, one hundred twenty-nine".
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