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2312331344105 = 55397223740213
BaseRepresentation
bin100001101001100001101…
…100000011100011101001
322012001112100101001201112
4201221201230003203221
5300341123311002410
64530134221400105
7326026504061066
oct41514154034351
98161470331645
102312331344105
11811721841462
1231418b109035
1313a08a07b2a3
147dcbb621c6d
154023805d105
hex21a61b038e9

2312331344105 has 32 divisors (see below), whose sum is σ = 2857646088864. Its totient is φ = 1795403390976.

The previous prime is 2312331344083. The next prime is 2312331344149. The reversal of 2312331344105 is 5014431332132.

It can be written as a sum of positive squares in 16 ways, for example, as 136434935641 + 2175896408464 = 369371^2 + 1475092^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312331344105 - 218 = 2312331081961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57481979 + ... + 57522191.

It is an arithmetic number, because the mean of its divisors is an integer number (89301440277).

Almost surely, 22312331344105 is an apocalyptic number.

It is an amenable number.

2312331344105 is a deficient number, since it is larger than the sum of its proper divisors (545314744759).

2312331344105 is a wasteful number, since it uses less digits than its factorization.

2312331344105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42605.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 2312331344105 its reverse (5014431332132), we get a palindrome (7326762676237).

The spelling of 2312331344105 in words is "two trillion, three hundred twelve billion, three hundred thirty-one million, three hundred forty-four thousand, one hundred five".

Divisors: 1 5 53 97 265 485 2237 5141 11185 25705 40213 118561 201065 216989 592805 1084945 2131289 3900661 10656445 11500417 19503305 57502085 89956481 206735033 449782405 1033675165 4767693493 8725778657 23838467465 43628893285 462466268821 2312331344105