Base | Representation |
---|---|
bin | 1110001001001000011111… |
… | …01110110100011111101111 |
3 | 11002010010211222112222102011 |
4 | 13010210033232310133233 |
5 | 13034021022230402343 |
6 | 150051110542142051 |
7 | 6356624006214220 |
oct | 704441756643757 |
9 | 132103758488364 |
10 | 31100122122223 |
11 | 9a00540183300 |
12 | 35a34b3b81927 |
13 | 144796260539b |
14 | 79737ab63247 |
15 | 38debb34e29d |
hex | 1c490fbb47ef |
31100122122223 has 96 divisors (see below), whose sum is σ = 39837692160000. Its totient is φ = 23761480512000.
The previous prime is 31100122122161. The next prime is 31100122122247. The reversal of 31100122122223 is 32222122100113.
It is not a de Polignac number, because 31100122122223 - 29 = 31100122121711 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31100122122194 and 31100122122203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31100122122623) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8075854248 + ... + 8075858098.
It is an arithmetic number, because the mean of its divisors is an integer number (414975960000).
Almost surely, 231100122122223 is an apocalyptic number.
31100122122223 is a deficient number, since it is larger than the sum of its proper divisors (8737570037777).
31100122122223 is a wasteful number, since it uses less digits than its factorization.
31100122122223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4837 (or 4826 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 31100122122223 its reverse (32222122100113), we get a palindrome (63322244222336).
The spelling of 31100122122223 in words is "thirty-one trillion, one hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-three".
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