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123031120301 is a prime number
BaseRepresentation
bin111001010010100111…
…0011110100110101101
3102202120020202110212022
41302211032132212231
54003431431322201
6132304131515525
711613553160555
oct1624516364655
9382506673768
10123031120301
11481a4950721
121ba16a58ba5
13b7a917678b
145d51b30165
15330114541b
hex1ca539e9ad

123031120301 has 2 divisors, whose sum is σ = 123031120302. Its totient is φ = 123031120300.

The previous prime is 123031120297. The next prime is 123031120309. The reversal of 123031120301 is 103021130321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71970939076 + 51060181225 = 268274^2 + 225965^2 .

It is a cyclic number.

It is not a de Polignac number, because 123031120301 - 22 = 123031120297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123031120301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123031120309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515560150 + 61515560151.

It is an arithmetic number, because the mean of its divisors is an integer number (61515560151).

Almost surely, 2123031120301 is an apocalyptic number.

It is an amenable number.

123031120301 is a deficient number, since it is larger than the sum of its proper divisors (1).

123031120301 is an equidigital number, since it uses as much as digits as its factorization.

123031120301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123031120301 its reverse (103021130321), we get a palindrome (226052250622).

The spelling of 123031120301 in words is "one hundred twenty-three billion, thirty-one million, one hundred twenty thousand, three hundred one".