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131164891267 is a prime number
BaseRepresentation
bin111101000101000001…
…0010110100010000011
3110112120002212212000211
41322022002112202003
54122111203010032
6140131210454551
712322250115544
oct1721202264203
9415502785024
10131164891267
1150699186193
1221506a34457
13c4a43258c7
1464c409a4cb
15362a266747
hex1e8a096883

131164891267 has 2 divisors, whose sum is σ = 131164891268. Its totient is φ = 131164891266.

The previous prime is 131164891237. The next prime is 131164891369. The reversal of 131164891267 is 762198461131.

It is a weak prime.

It is an emirp because it is prime and its reverse (762198461131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131164891267 - 27 = 131164891139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131164891267.

It is not a weakly prime, because it can be changed into another prime (131164891217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65582445633 + 65582445634.

It is an arithmetic number, because the mean of its divisors is an integer number (65582445634).

Almost surely, 2131164891267 is an apocalyptic number.

131164891267 is a deficient number, since it is larger than the sum of its proper divisors (1).

131164891267 is an equidigital number, since it uses as much as digits as its factorization.

131164891267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The spelling of 131164891267 in words is "one hundred thirty-one billion, one hundred sixty-four million, eight hundred ninety-one thousand, two hundred sixty-seven".