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113011243 is a prime number
BaseRepresentation
bin1101011110001…
…10101000101011
321212122120021121
412233012220223
5212412324433
615114120111
72541402562
oct657065053
9255576247
10113011243
1158879024
1231a20037
131a54ab77
141101abd9
159dc4c2d
hex6bc6a2b

113011243 has 2 divisors, whose sum is σ = 113011244. Its totient is φ = 113011242.

The previous prime is 113011237. The next prime is 113011247. The reversal of 113011243 is 342110311.

It is a strong prime.

It is an emirp because it is prime and its reverse (342110311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113011243 - 221 = 110914091 is a prime.

It is not a weakly prime, because it can be changed into another prime (113011247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56505621 + 56505622.

It is an arithmetic number, because the mean of its divisors is an integer number (56505622).

Almost surely, 2113011243 is an apocalyptic number.

113011243 is a deficient number, since it is larger than the sum of its proper divisors (1).

113011243 is an equidigital number, since it uses as much as digits as its factorization.

113011243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 113011243 is about 10630.6746258175. The cubic root of 113011243 is about 483.4748461836.

Adding to 113011243 its reverse (342110311), we get a palindrome (455121554).

It can be divided in two parts, 11301 and 1243, that added together give a square (12544 = 1122).

The spelling of 113011243 in words is "one hundred thirteen million, eleven thousand, two hundred forty-three".