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1340113231231 = 4791946376691
BaseRepresentation
bin10011100000000100111…
…110010001110101111111
311202010001210110201202221
4103200010332101311333
5133424022441344411
62503350045230211
7165551153342365
oct23400476216577
94663053421687
101340113231231
1147737aa89565
12197881262367
13994ab773a18
1448c0cbcd635
1524cd5827071
hex13804f91d7f

1340113231231 has 16 divisors (see below), whose sum is σ = 1370615823360. Its totient is φ = 1309694663520.

The previous prime is 1340113231087. The next prime is 1340113231243. The reversal of 1340113231231 is 1321323110431.

It is a cyclic number.

It is not a de Polignac number, because 1340113231231 - 229 = 1339576360319 is a prime.

It is a super-2 number, since 2×13401132312312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340113231196 and 1340113231205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340113238231) 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, 200282596 + ... + 200289286.

It is an arithmetic number, because the mean of its divisors is an integer number (85663488960).

Almost surely, 21340113231231 is an apocalyptic number.

1340113231231 is a deficient number, since it is larger than the sum of its proper divisors (30502592129).

1340113231231 is an equidigital number, since it uses as much as digits as its factorization.

1340113231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12294.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1340113231231 its reverse (1321323110431), we get a palindrome (2661436341662).

The spelling of 1340113231231 in words is "one trillion, three hundred forty billion, one hundred thirteen million, two hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 47 919 4637 6691 43193 217939 314477 4261403 6149029 31026167 200285941 289004363 1458229849 28513047473 1340113231231