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230891107 is a prime number
BaseRepresentation
bin11011100001100…
…01111001100011
3121002110111001111
431300301321203
5433102003412
634524444151
75502353626
oct1560617143
9532414044
10230891107
111093719a7
12653a9657
1338ab1a75
1422943dbd
151540c2a7
hexdc31e63

230891107 has 2 divisors, whose sum is σ = 230891108. Its totient is φ = 230891106.

The previous prime is 230891099. The next prime is 230891147. The reversal of 230891107 is 701198032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230891107 - 23 = 230891099 is a prime.

It is not a weakly prime, because it can be changed into another prime (230891147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115445553 + 115445554.

It is an arithmetic number, because the mean of its divisors is an integer number (115445554).

Almost surely, 2230891107 is an apocalyptic number.

230891107 is a deficient number, since it is larger than the sum of its proper divisors (1).

230891107 is an equidigital number, since it uses as much as digits as its factorization.

230891107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 230891107 is about 15195.1014146007. The cubic root of 230891107 is about 613.4828154148.

The spelling of 230891107 in words is "two hundred thirty million, eight hundred ninety-one thousand, one hundred seven".