Base | Representation |
---|---|
bin | 1110001010000011111001… |
… | …00001100011000000010011 |
3 | 11002020012011110020020111021 |
4 | 13011001330201203000103 |
5 | 13040031330101132243 |
6 | 150113503211500311 |
7 | 6362133165625606 |
oct | 705017441430023 |
9 | 132205143206437 |
10 | 31132012130323 |
11 | 9a130152683a5 |
12 | 35a9713a57697 |
13 | 144a975413070 |
14 | 798b241d433d |
15 | 38ec35d606ed |
hex | 1c507c863013 |
31132012130323 has 12 divisors (see below), whose sum is σ = 33753304716208. Its totient is φ = 28544374306080.
The previous prime is 31132012130299. The next prime is 31132012130467. The reversal of 31132012130323 is 32303121023113.
It is a de Polignac number, because none of the positive numbers 2k-31132012130323 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31132012100323) 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, 53645223 + ... + 54222448.
Almost surely, 231132012130323 is an apocalyptic number.
31132012130323 is a deficient number, since it is larger than the sum of its proper divisors (2621292585885).
31132012130323 is a wasteful number, since it uses less digits than its factorization.
31132012130323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107867982 (or 107867833 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 31132012130323 its reverse (32303121023113), we get a palindrome (63435133153436).
The spelling of 31132012130323 in words is "thirty-one trillion, one hundred thirty-two billion, twelve million, one hundred thirty thousand, three hundred twenty-three".
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