Base | Representation |
---|---|
bin | 1110001100111010101000… |
… | …01111011010000110001011 |
3 | 11002120120101210111112222010 |
4 | 13012131110033122012023 |
5 | 13043133241324100121 |
6 | 150230530323231003 |
7 | 6402205333406331 |
oct | 706352417320613 |
9 | 132516353445863 |
10 | 31230120534411 |
11 | 9a5068a968497 |
12 | 3604734218463 |
13 | 1456cac072286 |
14 | 79d78dd37b51 |
15 | 392578e9c376 |
hex | 1c67543da18b |
31230120534411 has 4 divisors (see below), whose sum is σ = 41640160712552. Its totient is φ = 20820080356272.
The previous prime is 31230120534397. The next prime is 31230120534449. The reversal of 31230120534411 is 11443502103213.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 31230120534411 - 226 = 31230053425547 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31230120534211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5205020089066 + ... + 5205020089071.
It is an arithmetic number, because the mean of its divisors is an integer number (10410040178138).
Almost surely, 231230120534411 is an apocalyptic number.
31230120534411 is a deficient number, since it is larger than the sum of its proper divisors (10410040178141).
31230120534411 is a wasteful number, since it uses less digits than its factorization.
31230120534411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10410040178140.
The product of its (nonzero) digits is 8640, while the sum is 30.
Adding to 31230120534411 its reverse (11443502103213), we get a palindrome (42673622637624).
The spelling of 31230120534411 in words is "thirty-one trillion, two hundred thirty billion, one hundred twenty million, five hundred thirty-four thousand, four hundred eleven".
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