Base | Representation |
---|---|
bin | 111101000001000001… |
… | …1111110111011001101 |
3 | 110112012210010121110200 |
4 | 1322002003332323031 |
5 | 4121322430214013 |
6 | 140110031124113 |
7 | 12316033661052 |
oct | 1720203767315 |
9 | 415183117420 |
10 | 131031101133 |
11 | 5062a705729 |
12 | 2148a073639 |
13 | c4826b0c4a |
14 | 64b03d1029 |
15 | 361d639e73 |
hex | 1e820feecd |
131031101133 has 12 divisors (see below), whose sum is σ = 189321782208. Its totient is φ = 87328850760.
The previous prime is 131031101129. The next prime is 131031101141. The reversal of 131031101133 is 331101130131.
131031101133 is a `hidden beast` number, since 1 + 310 + 311 + 0 + 11 + 33 = 666.
It is not a de Polignac number, because 131031101133 - 22 = 131031101129 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131031100133) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2068453 + ... + 2130858.
It is an arithmetic number, because the mean of its divisors is an integer number (15776815184).
Almost surely, 2131031101133 is an apocalyptic number.
It is an amenable number.
131031101133 is a deficient number, since it is larger than the sum of its proper divisors (58290681075).
131031101133 is a wasteful number, since it uses less digits than its factorization.
131031101133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4202784 (or 4202781 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 18.
Adding to 131031101133 its reverse (331101130131), we get a palindrome (462132231264).
The spelling of 131031101133 in words is "one hundred thirty-one billion, thirty-one million, one hundred one thousand, one hundred thirty-three".
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