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344859131 is a prime number
BaseRepresentation
bin10100100011100…
…010000111111011
3220000220122210102
4110203202013323
51201240443011
654115310015
711355153131
oct2443420773
9800818712
10344859131
11167733851
12975ab30b
13565a6276
1433b2d751
152042073b
hex148e21fb

344859131 has 2 divisors, whose sum is σ = 344859132. Its totient is φ = 344859130.

The previous prime is 344859113. The next prime is 344859133. The reversal of 344859131 is 131958443.

Together with previous prime (344859113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344859131 - 214 = 344842747 is a prime.

It is a super-2 number, since 2×3448591312 = 237855640468150322, which contains 22 as substring.

Together with 344859133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (344859133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172429565 + 172429566.

It is an arithmetic number, because the mean of its divisors is an integer number (172429566).

Almost surely, 2344859131 is an apocalyptic number.

344859131 is a deficient number, since it is larger than the sum of its proper divisors (1).

344859131 is an equidigital number, since it uses as much as digits as its factorization.

344859131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 344859131 is about 18570.3831678294. The cubic root of 344859131 is about 701.2624368163.

The spelling of 344859131 in words is "three hundred forty-four million, eight hundred fifty-nine thousand, one hundred thirty-one".