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131332741 is a prime number
BaseRepresentation
bin1111101001111…
…11101010000101
3100011010101122121
413310333222011
5232110121431
621010525541
73153211201
oct764775205
9304111577
10131332741
1168152261
1237b968b1
13212942a7
1413629b01
15b7e3611
hex7d3fa85

131332741 has 2 divisors, whose sum is σ = 131332742. Its totient is φ = 131332740.

The previous prime is 131332727. The next prime is 131332753. The reversal of 131332741 is 147233131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74390625 + 56942116 = 8625^2 + 7546^2 .

It is a cyclic number.

It is not a de Polignac number, because 131332741 - 27 = 131332613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131332841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65666370 + 65666371.

It is an arithmetic number, because the mean of its divisors is an integer number (65666371).

Almost surely, 2131332741 is an apocalyptic number.

It is an amenable number.

131332741 is a deficient number, since it is larger than the sum of its proper divisors (1).

131332741 is an equidigital number, since it uses as much as digits as its factorization.

131332741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 131332741 is about 11460.0497817418. The cubic root of 131332741 is about 508.3049466426.

Adding to 131332741 its reverse (147233131), we get a palindrome (278565872).

The spelling of 131332741 in words is "one hundred thirty-one million, three hundred thirty-two thousand, seven hundred forty-one".