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344137131 = 321313122453
BaseRepresentation
bin10100100000110…
…001110110101011
3212222112222101200
4110200301312223
51201044342011
654052015243
711346055152
oct2440616653
9788488350
10344137131
11167290358
1297301523
13563b2750
14339c2599
152032b856
hex14831dab

344137131 has 24 divisors (see below), whose sum is σ = 539434896. Its totient is φ = 210150720.

The previous prime is 344137121. The next prime is 344137141. The reversal of 344137131 is 131731443.

It is an interprime number because it is at equal distance from previous prime (344137121) and next prime (344137141).

It is not a de Polignac number, because 344137131 - 29 = 344136619 is a prime.

It is a super-2 number, since 2×3441371312 = 236860729865822322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344137095 and 344137104.

It is not an unprimeable number, because it can be changed into a prime (344137121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4101 + ... + 26553.

It is an arithmetic number, because the mean of its divisors is an integer number (22476454).

Almost surely, 2344137131 is an apocalyptic number.

344137131 is a deficient number, since it is larger than the sum of its proper divisors (195297765).

344137131 is a wasteful number, since it uses less digits than its factorization.

344137131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22603 (or 22600 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 344137131 is about 18550.9334266500. The cubic root of 344137131 is about 700.7727052276.

Adding to 344137131 its reverse (131731443), we get a palindrome (475868574).

The spelling of 344137131 in words is "three hundred forty-four million, one hundred thirty-seven thousand, one hundred thirty-one".

Divisors: 1 3 9 13 39 117 131 393 1179 1703 5109 15327 22453 67359 202077 291889 875667 2627001 2941343 8824029 26472087 38237459 114712377 344137131