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10231230091 is a prime number
BaseRepresentation
bin10011000011101010…
…00010111010001011
3222102000212100011211
421201311002322023
5131423143330331
64411122433551
7511353010105
oct114165027213
928360770154
1010231230091
114380298665
121b965028b7
13c7088a604
146d0b54575
153ed3358b1
hex261d42e8b

10231230091 has 2 divisors, whose sum is σ = 10231230092. Its totient is φ = 10231230090.

The previous prime is 10231230089. The next prime is 10231230161. The reversal of 10231230091 is 19003213201.

10231230091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10231230091 - 21 = 10231230089 is a prime.

Together with 10231230089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10231230011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115615045 + 5115615046.

It is an arithmetic number, because the mean of its divisors is an integer number (5115615046).

Almost surely, 210231230091 is an apocalyptic number.

10231230091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231230091 is an equidigital number, since it uses as much as digits as its factorization.

10231230091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 10231230091 its reverse (19003213201), we get a palindrome (29234443292).

The spelling of 10231230091 in words is "ten billion, two hundred thirty-one million, two hundred thirty thousand, ninety-one".