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131143134323449 is a prime number
BaseRepresentation
bin11101110100011000100011…
…111011111010001011111001
3122012100011100111220201110201
4131310120203323322023321
5114142122114341322244
61142530154005442201
736423531060141163
oct3564304373721371
9565304314821421
10131143134323449
1138871544481916
1212860502410361
13582398a897871
14245550c203933
151026501ca9ad4
hex774623efa2f9

131143134323449 has 2 divisors, whose sum is σ = 131143134323450. Its totient is φ = 131143134323448.

The previous prime is 131143134323371. The next prime is 131143134323471. The reversal of 131143134323449 is 944323431341131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87069893765625 + 44073240557824 = 9331125^2 + 6638768^2 .

It is a cyclic number.

It is not a de Polignac number, because 131143134323449 - 221 = 131143132226297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131143134323399 and 131143134323408.

It is not a weakly prime, because it can be changed into another prime (131143134323489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65571567161724 + 65571567161725.

It is an arithmetic number, because the mean of its divisors is an integer number (65571567161725).

Almost surely, 2131143134323449 is an apocalyptic number.

It is an amenable number.

131143134323449 is a deficient number, since it is larger than the sum of its proper divisors (1).

131143134323449 is an equidigital number, since it uses as much as digits as its factorization.

131143134323449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 46.

The spelling of 131143134323449 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred thirty-four million, three hundred twenty-three thousand, four hundred forty-nine".