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231001231073 is a prime number
BaseRepresentation
bin1101011100100010111…
…1110000111011100001
3211002020212120101200212
43113020233300323201
512241042303343243
6254042010023505
722455266031614
oct3271057607341
9732225511625
10231001231073
1189a70199a28
1238929a17b95
1318a24c628a2
14b2754b817b
15601ee24318
hex35c8bf0ee1

231001231073 has 2 divisors, whose sum is σ = 231001231074. Its totient is φ = 231001231072.

The previous prime is 231001231067. The next prime is 231001231099. The reversal of 231001231073 is 370132100132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203515570129 + 27485660944 = 451127^2 + 165788^2 .

It is a cyclic number.

It is not a de Polignac number, because 231001231073 - 216 = 231001165537 is a prime.

It is not a weakly prime, because it can be changed into another prime (231001231033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115500615536 + 115500615537.

It is an arithmetic number, because the mean of its divisors is an integer number (115500615537).

Almost surely, 2231001231073 is an apocalyptic number.

It is an amenable number.

231001231073 is a deficient number, since it is larger than the sum of its proper divisors (1).

231001231073 is an equidigital number, since it uses as much as digits as its factorization.

231001231073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The spelling of 231001231073 in words is "two hundred thirty-one billion, one million, two hundred thirty-one thousand, seventy-three".