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34313123 = 13171391117
BaseRepresentation
bin1000001011100…
…1001110100011
32101120021202102
42002321032203
532241004443
63223241015
7564441155
oct202711643
971507672
1034313123
1118406a59
12b5a916b
137155230
1447b2ad5
15302bcb8
hex20b93a3

34313123 has 16 divisors (see below), whose sum is σ = 39443040. Its totient is φ = 29569536.

The previous prime is 34313117. The next prime is 34313129. The reversal of 34313123 is 32131343.

It is an interprime number because it is at equal distance from previous prime (34313117) and next prime (34313129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34313123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34313095 and 34313104.

It is not an unprimeable number, because it can be changed into a prime (34313129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30161 + ... + 31277.

It is an arithmetic number, because the mean of its divisors is an integer number (2465190).

Almost surely, 234313123 is an apocalyptic number.

34313123 is a deficient number, since it is larger than the sum of its proper divisors (5129917).

34313123 is a wasteful number, since it uses less digits than its factorization.

34313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286.

The product of its digits is 648, while the sum is 20.

The square root of 34313123 is about 5857.7404346727. The cubic root of 34313123 is about 324.9526495119.

Adding to 34313123 its reverse (32131343), we get a palindrome (66444466).

The spelling of 34313123 in words is "thirty-four million, three hundred thirteen thousand, one hundred twenty-three".

Divisors: 1 13 17 139 221 1117 1807 2363 14521 18989 30719 155263 246857 2018419 2639471 34313123