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344121231 = 3114707077
BaseRepresentation
bin10100100000101…
…101111110001111
3212222112011120210
4110200231332033
51201043334411
654051413503
711345660616
oct2440557617
9788464523
10344121231
1116727a413
12972b4293
13563a843c
14339ba87d
1520326ca6
hex1482df8f

344121231 has 4 divisors (see below), whose sum is σ = 458828312. Its totient is φ = 229414152.

The previous prime is 344121223. The next prime is 344121247. The reversal of 344121231 is 132121443.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 344121231 - 23 = 344121223 is a prime.

It is a super-2 number, since 2×3441212312 = 236838843249910722, 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 = 344121198 and 344121207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344121431) 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, 57353536 + ... + 57353541.

It is an arithmetic number, because the mean of its divisors is an integer number (114707078).

Almost surely, 2344121231 is an apocalyptic number.

344121231 is a deficient number, since it is larger than the sum of its proper divisors (114707081).

344121231 is a wasteful number, since it uses less digits than its factorization.

344121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114707080.

The product of its digits is 576, while the sum is 21.

The square root of 344121231 is about 18550.5048718357. The cubic root of 344121231 is about 700.7619125749.

Adding to 344121231 its reverse (132121443), we get a palindrome (476242674).

The spelling of 344121231 in words is "three hundred forty-four million, one hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 3 114707077 344121231