Search a number
-
+
344423131 = 13223911833
BaseRepresentation
bin10100100001110…
…111101011011011
3220000002111201021
4110201313223123
51201133020011
654102103311
711351356033
oct2441675333
9800074637
10344423131
11167466218
129741ab37
1356482990
1433a588c3
1520386471
hex14877adb

344423131 has 8 divisors (see below), whose sum is σ = 371114240. Its totient is φ = 317760192.

The previous prime is 344423129. The next prime is 344423143. The reversal of 344423131 is 131324443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 344423131 - 21 = 344423129 is a prime.

It is a super-2 number, since 2×3444231312 = 237254586335686322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344423096 and 344423105.

It is not an unprimeable number, because it can be changed into a prime (344423161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23191 + ... + 35023.

It is an arithmetic number, because the mean of its divisors is an integer number (46389280).

Almost surely, 2344423131 is an apocalyptic number.

344423131 is a deficient number, since it is larger than the sum of its proper divisors (26691109).

344423131 is a wasteful number, since it uses less digits than its factorization.

344423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14085.

The product of its digits is 3456, while the sum is 25.

The square root of 344423131 is about 18558.6403327399. The cubic root of 344423131 is about 700.9667804768.

Adding to 344423131 its reverse (131324443), we get a palindrome (475747574).

It can be divided in two parts, 34442 and 3131, that added together give a palindrome (37573).

The spelling of 344423131 in words is "three hundred forty-four million, four hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 13 2239 11833 29107 153829 26494087 344423131