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2111130113 is a prime number
BaseRepresentation
bin111110111010101…
…0100101000000001
312110010110112002012
41331311110220001
513310422130423
6545252502305
7103213211201
oct17565245001
95403415065
102111130113
11993750334
124ab01a995
132784b6c21
14160546401
15c5515078
hex7dd54a01

2111130113 has 2 divisors, whose sum is σ = 2111130114. Its totient is φ = 2111130112.

The previous prime is 2111130103. The next prime is 2111130137. The reversal of 2111130113 is 3110311112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1927473409 + 183656704 = 43903^2 + 13552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2111130113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2111130103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055565056 + 1055565057.

It is an arithmetic number, because the mean of its divisors is an integer number (1055565057).

Almost surely, 22111130113 is an apocalyptic number.

It is an amenable number.

2111130113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111130113 is an equidigital number, since it uses as much as digits as its factorization.

2111130113 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 14.

The square root of 2111130113 is about 45947.0359544552. The cubic root of 2111130113 is about 1282.8375592978.

Adding to 2111130113 its reverse (3110311112), we get a palindrome (5221441225).

The spelling of 2111130113 in words is "two billion, one hundred eleven million, one hundred thirty thousand, one hundred thirteen".