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120131303213 is a prime number
BaseRepresentation
bin110111111100001100…
…0100011011100101101
3102111002011020111122102
41233320120203130231
53432012103200323
6131104302424445
711451652141415
oct1577030433455
9374064214572
10120131303213
1146a46a97179
121b347892125
13b43646b08c
145b58965645
1531d1790328
hex1bf862372d

120131303213 has 2 divisors, whose sum is σ = 120131303214. Its totient is φ = 120131303212.

The previous prime is 120131303183. The next prime is 120131303251. The reversal of 120131303213 is 312303131021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119220350089 + 910953124 = 345283^2 + 30182^2 .

It is a cyclic number.

It is not a de Polignac number, because 120131303213 - 212 = 120131299117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120131303713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60065651606 + 60065651607.

It is an arithmetic number, because the mean of its divisors is an integer number (60065651607).

Almost surely, 2120131303213 is an apocalyptic number.

It is an amenable number.

120131303213 is a deficient number, since it is larger than the sum of its proper divisors (1).

120131303213 is an equidigital number, since it uses as much as digits as its factorization.

120131303213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 120131303213 its reverse (312303131021), we get a palindrome (432434434234).

The spelling of 120131303213 in words is "one hundred twenty billion, one hundred thirty-one million, three hundred three thousand, two hundred thirteen".