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8471073131 is a prime number
BaseRepresentation
bin1111110001110101…
…00101000101101011
3210212100211002202022
413320322211011223
5114322043320011
63520324255055
7416630635133
oct77072450553
923770732668
108471073131
113657777694
121784b4148b
13a5000a811
145a508dac3
15348a4c8db
hex1f8ea516b

8471073131 has 2 divisors, whose sum is σ = 8471073132. Its totient is φ = 8471073130.

The previous prime is 8471073073. The next prime is 8471073139. The reversal of 8471073131 is 1313701748.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8471073131 is a prime.

It is a super-2 number, since 2×84710731312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8471073091 and 8471073100.

It is not a weakly prime, because it can be changed into another prime (8471073139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4235536565 + 4235536566.

It is an arithmetic number, because the mean of its divisors is an integer number (4235536566).

Almost surely, 28471073131 is an apocalyptic number.

8471073131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8471073131 is an equidigital number, since it uses as much as digits as its factorization.

8471073131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 8471073131 is about 92038.4329016960. The cubic root of 8471073131 is about 2038.5098314930.

Adding to 8471073131 its reverse (1313701748), we get a palindrome (9784774879).

The spelling of 8471073131 in words is "eight billion, four hundred seventy-one million, seventy-three thousand, one hundred thirty-one".