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131266463 is a prime number
BaseRepresentation
bin1111101001011…
…11011110011111
3100011000000201212
413310233132133
5232101011323
621005255035
73152514026
oct764573637
9304000655
10131266463
1168107489
1237b6447b
1321270083
141360d8bd
15b7cdb78
hex7d2f79f

131266463 has 2 divisors, whose sum is σ = 131266464. Its totient is φ = 131266462.

The previous prime is 131266427. The next prime is 131266477. The reversal of 131266463 is 364662131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131266463 - 28 = 131266207 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131266403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65633231 + 65633232.

It is an arithmetic number, because the mean of its divisors is an integer number (65633232).

Almost surely, 2131266463 is an apocalyptic number.

131266463 is a deficient number, since it is larger than the sum of its proper divisors (1).

131266463 is an equidigital number, since it uses as much as digits as its factorization.

131266463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 131266463 is about 11457.1577190855. The cubic root of 131266463 is about 508.2194256883.

The spelling of 131266463 in words is "one hundred thirty-one million, two hundred sixty-six thousand, four hundred sixty-three".