Search a number
-
+
131241533141 is a prime number
BaseRepresentation
bin111101000111010011…
…0101101111011010101
3110112202110002122220202
41322032212231323111
54122240313030031
6140142545310245
712324200424335
oct1721646557325
9415673078822
10131241533141
1150728473384
1221528635385
13c4b717b624
1464d032b0c5
153631d552cb
hex1e8e9aded5

131241533141 has 2 divisors, whose sum is σ = 131241533142. Its totient is φ = 131241533140.

The previous prime is 131241533107. The next prime is 131241533177. The reversal of 131241533141 is 141335142131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129633122116 + 1608411025 = 360046^2 + 40105^2 .

It is an emirp because it is prime and its reverse (141335142131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131241533141 - 234 = 114061663957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131241533441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65620766570 + 65620766571.

It is an arithmetic number, because the mean of its divisors is an integer number (65620766571).

Almost surely, 2131241533141 is an apocalyptic number.

It is an amenable number.

131241533141 is a deficient number, since it is larger than the sum of its proper divisors (1).

131241533141 is an equidigital number, since it uses as much as digits as its factorization.

131241533141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

Adding to 131241533141 its reverse (141335142131), we get a palindrome (272576675272).

The spelling of 131241533141 in words is "one hundred thirty-one billion, two hundred forty-one million, five hundred thirty-three thousand, one hundred forty-one".