Base | Representation |
---|---|
bin | 1011001100101101111111… |
… | …0011001010000110100111 |
3 | 1121121010100021022001112110 |
4 | 2303023133303022012213 |
5 | 3103214243014001411 |
6 | 42104324014052103 |
7 | 2410410602420355 |
oct | 263133763120647 |
9 | 47533307261473 |
10 | 12313131000231 |
11 | 3a17a734a0a06 |
12 | 146a44a7aa033 |
13 | 6b417aa98cc9 |
14 | 307d5ca2a7d5 |
15 | 16545d2ab2a6 |
hex | b32dfcca1a7 |
12313131000231 has 16 divisors (see below), whose sum is σ = 17943993566208. Its totient is φ = 7476663984000.
The previous prime is 12313131000217. The next prime is 12313131000241. The reversal of 12313131000231 is 13200013131321.
It is a happy number.
It is not a de Polignac number, because 12313131000231 - 26 = 12313131000167 is a prime.
It is a super-2 number, since 2×123131310002312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12313131000198 and 12313131000207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12313131000241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3894094245 + ... + 3894097406.
It is an arithmetic number, because the mean of its divisors is an integer number (1121499597888).
Almost surely, 212313131000231 is an apocalyptic number.
12313131000231 is a deficient number, since it is larger than the sum of its proper divisors (5630862565977).
12313131000231 is a wasteful number, since it uses less digits than its factorization.
12313131000231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7788191702.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 12313131000231 its reverse (13200013131321), we get a palindrome (25513144131552).
The spelling of 12313131000231 in words is "twelve trillion, three hundred thirteen billion, one hundred thirty-one million, two hundred thirty-one", and thus it is an aban number.
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