Base | Representation |
---|---|
bin | 1111101001000… |
… | …00000000011001 |
3 | 100010212210210222 |
4 | 13310200000121 |
5 | 232041444342 |
6 | 21004045425 |
7 | 3152131214 |
oct | 764400031 |
9 | 303783728 |
10 | 131203097 |
11 | 68073913 |
12 | 37b33875 |
13 | 2124a28c |
14 | 135d477b |
15 | b7b9ed2 |
hex | 7d20019 |
131203097 has 2 divisors, whose sum is σ = 131203098. Its totient is φ = 131203096.
The previous prime is 131203091. The next prime is 131203103. The reversal of 131203097 is 790302131.
It is a balanced prime because it is at equal distance from previous prime (131203091) and next prime (131203103).
It can be written as a sum of positive squares in only one way, i.e., 93392896 + 37810201 = 9664^2 + 6149^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131203097 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (131203091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601548 + 65601549.
It is an arithmetic number, because the mean of its divisors is an integer number (65601549).
Almost surely, 2131203097 is an apocalyptic number.
It is an amenable number.
131203097 is a deficient number, since it is larger than the sum of its proper divisors (1).
131203097 is an equidigital number, since it uses as much as digits as its factorization.
131203097 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1134, while the sum is 26.
The square root of 131203097 is about 11454.3920397374. The cubic root of 131203097 is about 508.1376352734.
The spelling of 131203097 in words is "one hundred thirty-one million, two hundred three thousand, ninety-seven".
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