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20340344130341 = 31141965315039
BaseRepresentation
bin1001001111111110110101…
…11111001000101100100101
32200000111222112222200222112
410213333122333020230211
510131224011044132331
6111132120342010405
74166353455264434
oct447773277105445
980014875880875
1020340344130341
116532322a98614
122346118116a05
13b47117574501
1450469954b11b
1525417435632b
hex127fdafc8b25

20340344130341 has 4 divisors (see below), whose sum is σ = 20340409756800. Its totient is φ = 20340278503884.

The previous prime is 20340344130331. The next prime is 20340344130433. The reversal of 20340344130341 is 14303144304302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20340344130341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20340344130298 and 20340344130307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340344130331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32346101 + ... + 32968938.

It is an arithmetic number, because the mean of its divisors is an integer number (5085102439200).

Almost surely, 220340344130341 is an apocalyptic number.

It is an amenable number.

20340344130341 is a deficient number, since it is larger than the sum of its proper divisors (65626459).

20340344130341 is an equidigital number, since it uses as much as digits as its factorization.

20340344130341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65626458.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 20340344130341 its reverse (14303144304302), we get a palindrome (34643488434643).

The spelling of 20340344130341 in words is "twenty trillion, three hundred forty billion, three hundred forty-four million, one hundred thirty thousand, three hundred forty-one".

Divisors: 1 311419 65315039 20340344130341