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131200322317 is a prime number
BaseRepresentation
bin111101000110000100…
…1100000101100001101
3110112122120112221021221
41322030021200230031
54122144240303232
6140134514123341
712323160224221
oct1721411405415
9415576487257
10131200322317
1150707186049
1221516880551
13c4ab77c91c
1464c8a80781
15362d414897
hex1e8c260b0d

131200322317 has 2 divisors, whose sum is σ = 131200322318. Its totient is φ = 131200322316.

The previous prime is 131200322303. The next prime is 131200322327. The reversal of 131200322317 is 713223002131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74165807556 + 57034514761 = 272334^2 + 238819^2 .

It is a cyclic number.

It is not a de Polignac number, because 131200322317 - 219 = 131199798029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131200322291 and 131200322300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131200322327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600161158 + 65600161159.

It is an arithmetic number, because the mean of its divisors is an integer number (65600161159).

Almost surely, 2131200322317 is an apocalyptic number.

It is an amenable number.

131200322317 is a deficient number, since it is larger than the sum of its proper divisors (1).

131200322317 is an equidigital number, since it uses as much as digits as its factorization.

131200322317 is an evil number, because the sum of its binary digits is even.

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

Adding to 131200322317 its reverse (713223002131), we get a palindrome (844423324448).

The spelling of 131200322317 in words is "one hundred thirty-one billion, two hundred million, three hundred twenty-two thousand, three hundred seventeen".