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131266567 is a prime number
BaseRepresentation
bin1111101001011…
…11100000000111
3100011000000212201
413310233200013
5232101012232
621005255331
73152514235
oct764574007
9304000781
10131266567
1168107573
1237b64547
1321270133
141360d955
15b7cdbe7
hex7d2f807

131266567 has 2 divisors, whose sum is σ = 131266568. Its totient is φ = 131266566.

The previous prime is 131266549. The next prime is 131266579. The reversal of 131266567 is 765662131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131266567 is a prime.

It is a super-2 number, since 2×1312665672 = 34461823223930978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131266507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65633283 + 65633284.

It is an arithmetic number, because the mean of its divisors is an integer number (65633284).

Almost surely, 2131266567 is an apocalyptic number.

131266567 is a deficient number, since it is larger than the sum of its proper divisors (1).

131266567 is an equidigital number, since it uses as much as digits as its factorization.

131266567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 131266567 is about 11457.1622577321. The cubic root of 131266567 is about 508.2195599059.

The spelling of 131266567 in words is "one hundred thirty-one million, two hundred sixty-six thousand, five hundred sixty-seven".