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135344311 = 379357109
BaseRepresentation
bin10000001000100…
…11000010110111
3100102200012111021
420010103002313
5234122004221
621232522011
73232256554
oct1004230267
9312605437
10135344311
116a442203
12393b0307
132206a1bb
1413d91a2b
15bd37041
hex81130b7

135344311 has 4 divisors (see below), whose sum is σ = 135701800. Its totient is φ = 134986824.

The previous prime is 135344309. The next prime is 135344323. The reversal of 135344311 is 113443531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113443531 = 701161831.

It is a cyclic number.

It is not a de Polignac number, because 135344311 - 21 = 135344309 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 (135344371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178176 + ... + 178933.

It is an arithmetic number, because the mean of its divisors is an integer number (33925450).

Almost surely, 2135344311 is an apocalyptic number.

135344311 is a deficient number, since it is larger than the sum of its proper divisors (357489).

135344311 is an equidigital number, since it uses as much as digits as its factorization.

135344311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357488.

The product of its digits is 2160, while the sum is 25.

The square root of 135344311 is about 11633.7573895969. The cubic root of 135344311 is about 513.4285348908.

Adding to 135344311 its reverse (113443531), we get a palindrome (248787842).

The spelling of 135344311 in words is "one hundred thirty-five million, three hundred forty-four thousand, three hundred eleven".

Divisors: 1 379 357109 135344311