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344105311 = 1131282301
BaseRepresentation
bin10100100000101…
…010000101011111
3212222111100202011
4110200222011133
51201042332221
654051212051
711345563324
oct2440520537
9788440664
10344105311
11167269460
12972a7027
13563a1114
14339b4b4b
15203221e1
hex1482a15f

344105311 has 4 divisors (see below), whose sum is σ = 375387624. Its totient is φ = 312823000.

The previous prime is 344105273. The next prime is 344105407. The reversal of 344105311 is 113501443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113501443 = 1110318313.

It is a cyclic number.

It is not a de Polignac number, because 344105311 - 29 = 344104799 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344100311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15641140 + ... + 15641161.

It is an arithmetic number, because the mean of its divisors is an integer number (93846906).

Almost surely, 2344105311 is an apocalyptic number.

344105311 is a deficient number, since it is larger than the sum of its proper divisors (31282313).

344105311 is a wasteful number, since it uses less digits than its factorization.

344105311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31282312.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 344105311 is about 18550.0757680393. The cubic root of 344105311 is about 700.7511060134.

Adding to 344105311 its reverse (113501443), we get a palindrome (457606754).

The spelling of 344105311 in words is "three hundred forty-four million, one hundred five thousand, three hundred eleven".

Divisors: 1 11 31282301 344105311