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8243514131 is a prime number
BaseRepresentation
bin1111010110101101…
…00000101100010011
3210021111121220111012
413223112200230103
5113340314423011
63441555041135
7411165466616
oct75326405423
923244556435
108243514131
1135502811a6
1217208a01ab
13a14b24618
14582b7617d
15333a9ca8b
hex1eb5a0b13

8243514131 has 2 divisors, whose sum is σ = 8243514132. Its totient is φ = 8243514130.

The previous prime is 8243514127. The next prime is 8243514151. The reversal of 8243514131 is 1314153428.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8243514131 - 22 = 8243514127 is a prime.

It is a super-2 number, since 2×82435141312 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8243514151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4121757065 + 4121757066.

It is an arithmetic number, because the mean of its divisors is an integer number (4121757066).

Almost surely, 28243514131 is an apocalyptic number.

8243514131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8243514131 is an equidigital number, since it uses as much as digits as its factorization.

8243514131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 8243514131 is about 90793.8000691677. The cubic root of 8243514131 is about 2020.0903572789.

Adding to 8243514131 its reverse (1314153428), we get a palindrome (9557667559).

The spelling of 8243514131 in words is "eight billion, two hundred forty-three million, five hundred fourteen thousand, one hundred thirty-one".