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1344020311 is a prime number
BaseRepresentation
bin101000000011100…
…0001111101010111
310110200000022021001
41100013001331113
510223032122221
6341211004131
745206661364
oct12007017527
93420008231
101344020311
1162a734397
12316139647
131855ab6ba
14ca6dd46b
157ced8391
hex501c1f57

1344020311 has 2 divisors, whose sum is σ = 1344020312. Its totient is φ = 1344020310.

The previous prime is 1344020297. The next prime is 1344020317. The reversal of 1344020311 is 1130204431.

It is a strong prime.

It is an emirp because it is prime and its reverse (1130204431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1344020311 - 213 = 1344012119 is a prime.

It is a super-3 number, since 3×13440203113 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344020317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672010155 + 672010156.

It is an arithmetic number, because the mean of its divisors is an integer number (672010156).

Almost surely, 21344020311 is an apocalyptic number.

1344020311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344020311 is an equidigital number, since it uses as much as digits as its factorization.

1344020311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1344020311 is about 36660.8825725732. The cubic root of 1344020311 is about 1103.5752297019.

Adding to 1344020311 its reverse (1130204431), we get a palindrome (2474224742).

The spelling of 1344020311 in words is "one billion, three hundred forty-four million, twenty thousand, three hundred eleven".