Base | Representation |
---|---|
bin | 101101100100000110100… |
… | …011001000100100100111 |
3 | 102002100000121020222000221 |
4 | 231210012203020210213 |
5 | 402300034101012411 |
6 | 10354232030545211 |
7 | 442134410432032 |
oct | 55440643104447 |
9 | 12070017228027 |
10 | 3131141032231 |
11 | aa7a00536253 |
12 | 426a04968207 |
13 | 19935ac20a24 |
14 | ab795b42019 |
15 | 566ac846071 |
hex | 2d9068c8927 |
3131141032231 has 2 divisors, whose sum is σ = 3131141032232. Its totient is φ = 3131141032230.
The previous prime is 3131141032213. The next prime is 3131141032241. The reversal of 3131141032231 is 1322301411313.
Together with previous prime (3131141032213) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 3131141032231 - 215 = 3131140999463 is a prime.
It is a super-2 number, since 2×31311410322312 (a number of 26 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3131141032196 and 3131141032205.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3131141032241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565570516115 + 1565570516116.
It is an arithmetic number, because the mean of its divisors is an integer number (1565570516116).
Almost surely, 23131141032231 is an apocalyptic number.
3131141032231 is a deficient number, since it is larger than the sum of its proper divisors (1).
3131141032231 is an equidigital number, since it uses as much as digits as its factorization.
3131141032231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 3131141032231 its reverse (1322301411313), we get a palindrome (4453442443544).
The spelling of 3131141032231 in words is "three trillion, one hundred thirty-one billion, one hundred forty-one million, thirty-two thousand, two hundred thirty-one".
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