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131227273 is a prime number
BaseRepresentation
bin1111101001001…
…01111010001001
3100010221000222101
413310211322021
5232043233043
621004353401
73152261542
oct764457211
9303830871
10131227273
116808aaa1
1237b45861
1321258298
14135dd4c9
15b7c224d
hex7d25e89

131227273 has 2 divisors, whose sum is σ = 131227274. Its totient is φ = 131227272.

The previous prime is 131227223. The next prime is 131227277. The reversal of 131227273 is 372722131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131056704 + 170569 = 11448^2 + 413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131227273 is a prime.

It is not a weakly prime, because it can be changed into another prime (131227277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65613636 + 65613637.

It is an arithmetic number, because the mean of its divisors is an integer number (65613637).

Almost surely, 2131227273 is an apocalyptic number.

It is an amenable number.

131227273 is a deficient number, since it is larger than the sum of its proper divisors (1).

131227273 is an equidigital number, since it uses as much as digits as its factorization.

131227273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 131227273 is about 11455.4473068493. The cubic root of 131227273 is about 508.1688438380.

The spelling of 131227273 in words is "one hundred thirty-one million, two hundred twenty-seven thousand, two hundred seventy-three".