Base | Representation |
---|---|
bin | 1111101001111… |
… | …01000011110111 |
3 | 100011002212001121 |
4 | 13310331003313 |
5 | 232104301403 |
6 | 21010404411 |
7 | 3153135163 |
oct | 764750367 |
9 | 304085047 |
10 | 131322103 |
11 | 68145270 |
12 | 37b90707 |
13 | 2128c4b3 |
14 | 13625ca3 |
15 | b7e03bd |
hex | 7d3d0f7 |
131322103 has 4 divisors (see below), whose sum is σ = 143260488. Its totient is φ = 119383720.
The previous prime is 131322101. The next prime is 131322131. The reversal of 131322103 is 301223131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131322103 - 21 = 131322101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131322101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5969176 + ... + 5969197.
It is an arithmetic number, because the mean of its divisors is an integer number (35815122).
Almost surely, 2131322103 is an apocalyptic number.
131322103 is a deficient number, since it is larger than the sum of its proper divisors (11938385).
131322103 is a wasteful number, since it uses less digits than its factorization.
131322103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11938384.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 131322103 is about 11459.5856382332. The cubic root of 131322103 is about 508.2912219766.
Adding to 131322103 its reverse (301223131), we get a palindrome (432545234).
The spelling of 131322103 in words is "one hundred thirty-one million, three hundred twenty-two thousand, one hundred three".
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