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131244527 is a prime number
BaseRepresentation
bin1111101001010…
…10000111101111
3100010221220122102
413310222013233
5232044311102
621005005315
73152363051
oct764520757
9303856572
10131244527
11680a1a57
1237b5383b
13212630ab
14136058d1
15b7c7402
hex7d2a1ef

131244527 has 2 divisors, whose sum is σ = 131244528. Its totient is φ = 131244526.

The previous prime is 131244523. The next prime is 131244541. The reversal of 131244527 is 725442131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131244527 - 22 = 131244523 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131244527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131244523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65622263 + 65622264.

It is an arithmetic number, because the mean of its divisors is an integer number (65622264).

Almost surely, 2131244527 is an apocalyptic number.

131244527 is a deficient number, since it is larger than the sum of its proper divisors (1).

131244527 is an equidigital number, since it uses as much as digits as its factorization.

131244527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 131244527 is about 11456.2003735968. The cubic root of 131244527 is about 508.1911145159.

Adding to 131244527 its reverse (725442131), we get a palindrome (856686658).

The spelling of 131244527 in words is "one hundred thirty-one million, two hundred forty-four thousand, five hundred twenty-seven".