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123031102141 is a prime number
BaseRepresentation
bin111001010010100111…
…0011010001010111101
3102202120020201112221201
41302211032122022331
54003431430232031
6132304131255501
711613553053613
oct1624516321275
9382506645851
10123031102141
11481a4939012
121ba16a4a591
13b7a916b42c
145d51b276b3
15330113ed61
hex1ca539a2bd

123031102141 has 2 divisors, whose sum is σ = 123031102142. Its totient is φ = 123031102140.

The previous prime is 123031102133. The next prime is 123031102157. The reversal of 123031102141 is 141201130321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118329120100 + 4701982041 = 343990^2 + 68571^2 .

It is a cyclic number.

It is not a de Polignac number, because 123031102141 - 23 = 123031102133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123031102121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515551070 + 61515551071.

It is an arithmetic number, because the mean of its divisors is an integer number (61515551071).

Almost surely, 2123031102141 is an apocalyptic number.

It is an amenable number.

123031102141 is a deficient number, since it is larger than the sum of its proper divisors (1).

123031102141 is an equidigital number, since it uses as much as digits as its factorization.

123031102141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123031102141 its reverse (141201130321), we get a palindrome (264232232462).

The spelling of 123031102141 in words is "one hundred twenty-three billion, thirty-one million, one hundred two thousand, one hundred forty-one".