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131226283 is a prime number
BaseRepresentation
bin1111101001001…
…01101010101011
3100010220222121201
413310211222223
5232043220113
621004345031
73152255626
oct764455253
9303828551
10131226283
116808a281
1237b45177
13212579b6
14135dcdbd
15b7c1cdd
hex7d25aab

131226283 has 2 divisors, whose sum is σ = 131226284. Its totient is φ = 131226282.

The previous prime is 131226253. The next prime is 131226289. The reversal of 131226283 is 382622131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131226283 - 213 = 131218091 is a prime.

It is not a weakly prime, because it can be changed into another prime (131226289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65613141 + 65613142.

It is an arithmetic number, because the mean of its divisors is an integer number (65613142).

Almost surely, 2131226283 is an apocalyptic number.

131226283 is a deficient number, since it is larger than the sum of its proper divisors (1).

131226283 is an equidigital number, since it uses as much as digits as its factorization.

131226283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 131226283 is about 11455.4040958842. The cubic root of 131226283 is about 508.1675659318.

The spelling of 131226283 in words is "one hundred thirty-one million, two hundred twenty-six thousand, two hundred eighty-three".