Search a number
-
+
131310432101 is a prime number
BaseRepresentation
bin111101001001010110…
…1100010111101100101
3110112221020202002112002
41322102231202331211
54122410432311401
6140153450135045
712325665154052
oct1722255427545
9415836662462
10131310432101
1150763352172
1221547721485
13c4c8522c44
1464d9544029
153637e14a6b
hex1e92b62f65

131310432101 has 2 divisors, whose sum is σ = 131310432102. Its totient is φ = 131310432100.

The previous prime is 131310432079. The next prime is 131310432109. The reversal of 131310432101 is 101234013131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130396821025 + 913611076 = 361105^2 + 30226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131310432101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131310432109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65655216050 + 65655216051.

It is an arithmetic number, because the mean of its divisors is an integer number (65655216051).

Almost surely, 2131310432101 is an apocalyptic number.

It is an amenable number.

131310432101 is a deficient number, since it is larger than the sum of its proper divisors (1).

131310432101 is an equidigital number, since it uses as much as digits as its factorization.

131310432101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131310432101 its reverse (101234013131), we get a palindrome (232544445232).

The spelling of 131310432101 in words is "one hundred thirty-one billion, three hundred ten million, four hundred thirty-two thousand, one hundred one".