Base | Representation |
---|---|
bin | 1011001100100110011011… |
… | …1000110001101110110011 |
3 | 1121120221002220012000111112 |
4 | 2303021212320301232303 |
5 | 3103201114210231011 |
6 | 42103350430503535 |
7 | 2410306411024001 |
oct | 263114670615663 |
9 | 47527086160445 |
10 | 12311102430131 |
11 | 3a1712241019a |
12 | 1469b83364bab |
13 | 6b3c1672a77b |
14 | 307c09455a71 |
15 | 16539015358b |
hex | b3266e31bb3 |
12311102430131 has 4 divisors (see below), whose sum is σ = 12362613319200. Its totient is φ = 12259591541064.
The previous prime is 12311102430049. The next prime is 12311102430199. The reversal of 12311102430131 is 13103420111321.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12311102430131 - 210 = 12311102429107 is a prime.
It is a super-2 number, since 2×123111024301312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12311102430097 and 12311102430106.
It is not an unprimeable number, because it can be changed into a prime (12311102430031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25755444176 + ... + 25755444653.
It is an arithmetic number, because the mean of its divisors is an integer number (3090653329800).
Almost surely, 212311102430131 is an apocalyptic number.
12311102430131 is a deficient number, since it is larger than the sum of its proper divisors (51510889069).
12311102430131 is an equidigital number, since it uses as much as digits as its factorization.
12311102430131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51510889068.
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 12311102430131 its reverse (13103420111321), we get a palindrome (25414522541452).
The spelling of 12311102430131 in words is "twelve trillion, three hundred eleven billion, one hundred two million, four hundred thirty thousand, one hundred thirty-one".
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