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123300131291 is a prime number
BaseRepresentation
bin111001011010101000…
…0101011000111011011
3102210020222221122120022
41302311100223013123
54010004313200131
6132350541421055
711623330552301
oct1626520530733
9383228848508
10123300131291
1148322789657
121ba90b6a78b
13b81cb1438c
145d79758271
153319a8237b
hex1cb542b1db

123300131291 has 2 divisors, whose sum is σ = 123300131292. Its totient is φ = 123300131290.

The previous prime is 123300131281. The next prime is 123300131323. The reversal of 123300131291 is 192131003321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123300131291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123300131291.

It is not a weakly prime, because it can be changed into another prime (123300131221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61650065645 + 61650065646.

It is an arithmetic number, because the mean of its divisors is an integer number (61650065646).

Almost surely, 2123300131291 is an apocalyptic number.

123300131291 is a deficient number, since it is larger than the sum of its proper divisors (1).

123300131291 is an equidigital number, since it uses as much as digits as its factorization.

123300131291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 123300131291 in words is "one hundred twenty-three billion, three hundred million, one hundred thirty-one thousand, two hundred ninety-one".