Base | Representation |
---|---|
bin | 1111101001110… |
… | …10011000000011 |
3 | 100011002021222100 |
4 | 13310322120003 |
5 | 232103423412 |
6 | 21010241443 |
7 | 3153061134 |
oct | 764723003 |
9 | 304067870 |
10 | 131311107 |
11 | 68137a84 |
12 | 37b86283 |
13 | 212874a5 |
14 | 13621c8b |
15 | b7dbedc |
hex | 7d3a603 |
131311107 has 6 divisors (see below), whose sum is σ = 189671612. Its totient is φ = 87540732.
The previous prime is 131311099. The next prime is 131311123. The reversal of 131311107 is 701113131.
It is not a de Polignac number, because 131311107 - 23 = 131311099 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131311107.
It is not an unprimeable number, because it can be changed into a prime (131311127) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7295053 + ... + 7295070.
Almost surely, 2131311107 is an apocalyptic number.
131311107 is a deficient number, since it is larger than the sum of its proper divisors (58360505).
131311107 is a wasteful number, since it uses less digits than its factorization.
131311107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14590129 (or 14590126 counting only the distinct ones).
The product of its (nonzero) digits is 63, while the sum is 18.
The square root of 131311107 is about 11459.1058551704. The cubic root of 131311107 is about 508.2770346561.
Adding to 131311107 its reverse (701113131), we get a palindrome (832424238).
The spelling of 131311107 in words is "one hundred thirty-one million, three hundred eleven thousand, one hundred seven".
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