Base | Representation |
---|---|
bin | 110100100111110001000001… |
… | …111001101001110010110111 |
3 | 1010100102121011220111122212002 |
4 | 310213301001321221302313 |
5 | 220313231420043110403 |
6 | 2140113553530045515 |
7 | 66514226661210041 |
oct | 6447610171516267 |
9 | 1110377156448762 |
10 | 231431123410103 |
11 | 6781742a84a321 |
12 | 21b58a9ab7989b |
13 | 9c19b27356396 |
14 | 412147ccd8a91 |
15 | 1bb50c455e188 |
hex | d27c41e69cb7 |
231431123410103 has 16 divisors (see below), whose sum is σ = 254398016805120. Its totient is φ = 209557447900416.
The previous prime is 231431123410061. The next prime is 231431123410111. The reversal of 231431123410103 is 301014321134132.
It is a cyclic number.
It is not a de Polignac number, because 231431123410103 - 28 = 231431123409847 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231431123410133) 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, 202026650 + ... + 203168967.
It is an arithmetic number, because the mean of its divisors is an integer number (15899876050320).
Almost surely, 2231431123410103 is an apocalyptic number.
231431123410103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
231431123410103 is a deficient number, since it is larger than the sum of its proper divisors (22966893395017).
231431123410103 is a wasteful number, since it uses less digits than its factorization.
231431123410103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405196966.
The product of its (nonzero) digits is 5184, while the sum is 29.
Adding to 231431123410103 its reverse (301014321134132), we get a palindrome (532445444544235).
The spelling of 231431123410103 in words is "two hundred thirty-one trillion, four hundred thirty-one billion, one hundred twenty-three million, four hundred ten thousand, one hundred three".
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