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105031103 is a prime number
BaseRepresentation
bin1100100001010…
…10010110111111
321022122010120212
412100222112333
5203341443403
614231103035
72413515062
oct620522677
9238563525
10105031103
1154318471
122b211a7b
13189b57a8
14dd408d9
15934a4d8
hex642a5bf

105031103 has 2 divisors, whose sum is σ = 105031104. Its totient is φ = 105031102.

The previous prime is 105031099. The next prime is 105031177. The reversal of 105031103 is 301130501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105031103 - 22 = 105031099 is a prime.

It is a super-2 number, since 2×1050311032 = 22063065194793218, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105031403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52515551 + 52515552.

It is an arithmetic number, because the mean of its divisors is an integer number (52515552).

Almost surely, 2105031103 is an apocalyptic number.

105031103 is a deficient number, since it is larger than the sum of its proper divisors (1).

105031103 is an equidigital number, since it uses as much as digits as its factorization.

105031103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 105031103 is about 10248.4683245839. The cubic root of 105031103 is about 471.8159757935.

Adding to 105031103 its reverse (301130501), we get a palindrome (406161604).

The spelling of 105031103 in words is "one hundred five million, thirty-one thousand, one hundred three".