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113103251 is a prime number
BaseRepresentation
bin1101011110111…
…01000110010011
321212211020111022
412233131012103
5212423301001
615120110055
72542235042
oct657350623
9255736438
10113103251
1158931168
1231a6532b
131a580a01
1411042559
159de211b
hex6bdd193

113103251 has 2 divisors, whose sum is σ = 113103252. Its totient is φ = 113103250.

The previous prime is 113103241. The next prime is 113103293. The reversal of 113103251 is 152301311.

It is a weak prime.

It is an emirp because it is prime and its reverse (152301311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113103251 - 214 = 113086867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113103241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56551625 + 56551626.

It is an arithmetic number, because the mean of its divisors is an integer number (56551626).

Almost surely, 2113103251 is an apocalyptic number.

113103251 is a deficient number, since it is larger than the sum of its proper divisors (1).

113103251 is an equidigital number, since it uses as much as digits as its factorization.

113103251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 113103251 is about 10635.0012223789. The cubic root of 113103251 is about 483.6060174602.

Adding to 113103251 its reverse (152301311), we get a palindrome (265404562).

The spelling of 113103251 in words is "one hundred thirteen million, one hundred three thousand, two hundred fifty-one".