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131442348613 is a prime number
BaseRepresentation
bin111101001101010010…
…0110001001001000101
3110120021102222010221211
41322122210301021011
54123143220123423
6140214521411421
712332156346232
oct1723244611105
9416242863854
10131442348613
1150820862a84
1221583939b71
13c51995cb54
14650cc82789
1536447c110d
hex1e9a931245

131442348613 has 2 divisors, whose sum is σ = 131442348614. Its totient is φ = 131442348612.

The previous prime is 131442348607. The next prime is 131442348641. The reversal of 131442348613 is 316843244131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116484324804 + 14958023809 = 341298^2 + 122303^2 .

It is an emirp because it is prime and its reverse (316843244131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131442348613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131442348643) 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, 65721174306 + 65721174307.

It is an arithmetic number, because the mean of its divisors is an integer number (65721174307).

Almost surely, 2131442348613 is an apocalyptic number.

It is an amenable number.

131442348613 is a deficient number, since it is larger than the sum of its proper divisors (1).

131442348613 is an equidigital number, since it uses as much as digits as its factorization.

131442348613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 40.

The spelling of 131442348613 in words is "one hundred thirty-one billion, four hundred forty-two million, three hundred forty-eight thousand, six hundred thirteen".