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100103231 is a prime number
BaseRepresentation
bin1011111011101…
…11010000111111
320222100202211002
411331313100333
5201111300411
613533320515
72323602104
oct575672077
9228322732
10100103231
1151562048
122963613b
131797b7a7
14d41aaab
158bc533b
hex5f7743f

100103231 has 2 divisors, whose sum is σ = 100103232. Its totient is φ = 100103230.

The previous prime is 100103219. The next prime is 100103243. The reversal of 100103231 is 132301001.

It is a balanced prime because it is at equal distance from previous prime (100103219) and next prime (100103243).

It is a cyclic number.

It is not a de Polignac number, because 100103231 - 210 = 100102207 is a prime.

It is a super-2 number, since 2×1001032312 = 20041313713278722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100103281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051615 + 50051616.

It is an arithmetic number, because the mean of its divisors is an integer number (50051616).

Almost surely, 2100103231 is an apocalyptic number.

100103231 is a deficient number, since it is larger than the sum of its proper divisors (1).

100103231 is an equidigital number, since it uses as much as digits as its factorization.

100103231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 100103231 is about 10005.1602186072. The cubic root of 100103231 is about 464.3185470520.

Adding to 100103231 its reverse (132301001), we get a palindrome (232404232).

The spelling of 100103231 in words is "one hundred million, one hundred three thousand, two hundred thirty-one".