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34131313 = 104932537
BaseRepresentation
bin1000001000110…
…0110101110001
32101020001100201
42002030311301
532214200223
63215315201
7563053126
oct202146561
971201321
1034131313
11182a23a7
12b51bb01
1370c0558
14476674d
152ee2ead
hex208cd71

34131313 has 4 divisors (see below), whose sum is σ = 34164900. Its totient is φ = 34097728.

The previous prime is 34131299. The next prime is 34131319. The reversal of 34131313 is 31313143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31313143 = 231361441.

It can be written as a sum of positive squares in 2 ways, for example, as 12759184 + 21372129 = 3572^2 + 4623^2 .

It is a cyclic number.

It is not a de Polignac number, because 34131313 - 225 = 576881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34131319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15220 + ... + 17317.

It is an arithmetic number, because the mean of its divisors is an integer number (8541225).

Almost surely, 234131313 is an apocalyptic number.

It is an amenable number.

34131313 is a deficient number, since it is larger than the sum of its proper divisors (33587).

34131313 is a wasteful number, since it uses less digits than its factorization.

34131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33586.

The product of its digits is 324, while the sum is 19.

The square root of 34131313 is about 5842.2010407038. The cubic root of 34131313 is about 324.3777062650.

Adding to 34131313 its reverse (31313143), we get a palindrome (65444456).

The spelling of 34131313 in words is "thirty-four million, one hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 1049 32537 34131313