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112113131 = 13101103829
BaseRepresentation
bin1101010111010…
…11010111101011
321210221221022012
412223223113223
5212200110011
615042550135
72530642304
oct653532753
9253857265
10112113131
1158315289
123166834b
131a2c5140
1410c657ab
159c98a8b
hex6aeb5eb

112113131 has 16 divisors (see below), whose sum is σ = 123264960. Its totient is φ = 101347200.

The previous prime is 112113119. The next prime is 112113139. The reversal of 112113131 is 131311211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112113131 - 218 = 111850987 is a prime.

It is a super-2 number, since 2×1121131312 = 25138708285246322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112113139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134825 + ... + 135653.

It is an arithmetic number, because the mean of its divisors is an integer number (7704060).

Almost surely, 2112113131 is an apocalyptic number.

112113131 is a deficient number, since it is larger than the sum of its proper divisors (11151829).

112113131 is a wasteful number, since it uses less digits than its factorization.

112113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its digits is 18, while the sum is 14.

The square root of 112113131 is about 10588.3488325612. The cubic root of 112113131 is about 482.1906969130.

Adding to 112113131 its reverse (131311211), we get a palindrome (243424342).

The spelling of 112113131 in words is "one hundred twelve million, one hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 13 101 103 829 1313 1339 10403 10777 83729 85387 135239 1088477 1110031 8624087 112113131