Base | Representation |
---|---|
bin | 11000011101010110… |
… | …01101101110000101 |
3 | 1020220010111120100121 |
4 | 30032223031232011 |
5 | 203343031030201 |
6 | 10010553141541 |
7 | 643254414220 |
oct | 141653155605 |
9 | 36803446317 |
10 | 13131111301 |
11 | 5629196300 |
12 | 26656ba8b1 |
13 | 13135b9259 |
14 | 8c7d385b7 |
15 | 51cbee9a1 |
hex | 30eacdb85 |
13131111301 has 48 divisors (see below), whose sum is σ = 17040989952. Its totient is φ = 9898986240.
The previous prime is 13131111269. The next prime is 13131111307. The reversal of 13131111301 is 10311113131.
It is not a de Polignac number, because 13131111301 - 25 = 13131111269 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13131111307) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3275040 + ... + 3279046.
It is an arithmetic number, because the mean of its divisors is an integer number (355020624).
Almost surely, 213131111301 is an apocalyptic number.
13131111301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13131111301 is a deficient number, since it is larger than the sum of its proper divisors (3909878651).
13131111301 is a wasteful number, since it uses less digits than its factorization.
13131111301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4162 (or 4151 counting only the distinct ones).
The product of its (nonzero) digits is 27, while the sum is 16.
Adding to 13131111301 its reverse (10311113131), we get a palindrome (23442224432).
The spelling of 13131111301 in words is "thirteen billion, one hundred thirty-one million, one hundred eleven thousand, three hundred one".
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