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344322101309 = 881390830989
BaseRepresentation
bin1010000001010110011…
…00100101000000111101
31012220202101210001121212
411000223030211000331
521120132424220214
6422102425334205
733606423366524
oct5005314450075
91186671701555
10344322101309
11123031938a9a
1256894937365
132661446b364
141294574b4bb
158e5384353e
hex502b32503d

344322101309 has 4 divisors (see below), whose sum is σ = 344712933180. Its totient is φ = 343931269440.

The previous prime is 344322101293. The next prime is 344322101323. The reversal of 344322101309 is 903101223443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 903101223443 = 1753123601379.

It can be written as a sum of positive squares in 2 ways, for example, as 211154035225 + 133168066084 = 459515^2 + 364922^2 .

It is a cyclic number.

It is not a de Polignac number, because 344322101309 - 24 = 344322101293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344322101339) 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, 195414614 + ... + 195416375.

It is an arithmetic number, because the mean of its divisors is an integer number (86178233295).

Almost surely, 2344322101309 is an apocalyptic number.

It is an amenable number.

344322101309 is a deficient number, since it is larger than the sum of its proper divisors (390831871).

344322101309 is an equidigital number, since it uses as much as digits as its factorization.

344322101309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390831870.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 344322101309 in words is "three hundred forty-four billion, three hundred twenty-two million, one hundred one thousand, three hundred nine".

Divisors: 1 881 390830989 344322101309