Base | Representation |
---|---|
bin | 1110001001001101110111… |
… | …10111100101101111010111 |
3 | 11002010102022020210120012200 |
4 | 13010212323313211233113 |
5 | 13034042431041232411 |
6 | 150052305305415543 |
7 | 6360055404513054 |
oct | 704467367455727 |
9 | 132112266716180 |
10 | 31103010102231 |
11 | 9a01792392441 |
12 | 35a3b7b19a5b3 |
13 | 1448002a27cb2 |
14 | 79757252a02b |
15 | 38e0d9b66e56 |
hex | 1c49bbde5bd7 |
31103010102231 has 24 divisors (see below), whose sum is σ = 47582311055760. Its totient is φ = 19510280238336.
The previous prime is 31103010102217. The next prime is 31103010102253. The reversal of 31103010102231 is 13220101030113.
31103010102231 is a `hidden beast` number, since 31 + 1 + 0 + 301 + 0 + 102 + 231 = 666.
It is not a de Polignac number, because 31103010102231 - 27 = 31103010102103 is a prime.
It is a super-2 number, since 2×311030101022312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31103010107231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27219300 + ... + 28338953.
It is an arithmetic number, because the mean of its divisors is an integer number (1982596293990).
Almost surely, 231103010102231 is an apocalyptic number.
31103010102231 is a deficient number, since it is larger than the sum of its proper divisors (16479300953529).
31103010102231 is a wasteful number, since it uses less digits than its factorization.
31103010102231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55561935 (or 55561932 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 31103010102231 its reverse (13220101030113), we get a palindrome (44323111132344).
The spelling of 31103010102231 in words is "thirty-one trillion, one hundred three billion, ten million, one hundred two thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.106 sec. • engine limits •