Base | Representation |
---|---|
bin | 1110001010000000101110… |
… | …01100001001110001011010 |
3 | 11002020000202222011211212012 |
4 | 13011000113030021301122 |
5 | 13040014334334220010 |
6 | 150113022400345522 |
7 | 6362043103146065 |
oct | 705002714116132 |
9 | 132200688154765 |
10 | 31130312023130 |
11 | 9a12322631731 |
12 | 35a931a6152a2 |
13 | 144a764129a88 |
14 | 798a024c18dc |
15 | 38eb8698a005 |
hex | 1c5017309c5a |
31130312023130 has 32 divisors (see below), whose sum is σ = 59348376622080. Its totient is φ = 11716157635840.
The previous prime is 31130312023067. The next prime is 31130312023163. The reversal of 31130312023130 is 3132021303113.
It is a junction number, because it is equal to n+sod(n) for n = 31130312023096 and 31130312023105.
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 15 ways as a sum of consecutive naturals, for example, 26687006 + ... + 27829065.
It is an arithmetic number, because the mean of its divisors is an integer number (1854636769440).
Almost surely, 231130312023130 is an apocalyptic number.
31130312023130 is a deficient number, since it is larger than the sum of its proper divisors (28218064598950).
31130312023130 is a wasteful number, since it uses less digits than its factorization.
31130312023130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54519454.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 31130312023130 its reverse (3132021303113), we get a palindrome (34262333326243).
The spelling of 31130312023130 in words is "thirty-one trillion, one hundred thirty billion, three hundred twelve million, twenty-three thousand, one hundred thirty".
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