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231040113122 = 271311369111659
BaseRepresentation
bin1101011100101100010…
…0000101100111100010
3211002100120201210211202
43113023010011213202
512241132232104442
6254045515241202
722456250362430
oct3271304054742
9732316653752
10231040113122
1189a90136655
123893aa49202
1318a30027610
14b27a719d50
156023554c32
hex35cb1059e2

231040113122 has 32 divisors (see below), whose sum is σ = 426576931200. Its totient is φ = 91391626368.

The previous prime is 231040113121. The next prime is 231040113127. The reversal of 231040113122 is 221311040132.

231040113122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231040113094 and 231040113103.

It is not an unprimeable number, because it can be changed into a prime (231040113121) 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, 2013329 + ... + 2124987.

It is an arithmetic number, because the mean of its divisors is an integer number (13330529100).

Almost surely, 2231040113122 is an apocalyptic number.

231040113122 is a deficient number, since it is larger than the sum of its proper divisors (195536818078).

231040113122 is a wasteful number, since it uses less digits than its factorization.

231040113122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123050.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 231040113122 its reverse (221311040132), we get a palindrome (452351153254).

The spelling of 231040113122 in words is "two hundred thirty-one billion, forty million, one hundred thirteen thousand, one hundred twenty-two".

Divisors: 1 2 7 13 14 26 91 182 11369 22738 79583 111659 147797 159166 223318 295594 781613 1034579 1451567 1563226 2069158 2903134 10160969 20321938 1269451171 2538902342 8886158197 16502865223 17772316394 33005730446 115520056561 231040113122