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8307825131 is a prime number
BaseRepresentation
bin1111011110010111…
…10101100111101011
3210102222122020121002
413233023311213223
5114003300401011
63452213305215
7412606230344
oct75713654753
923388566532
108307825131
113583606a91
12173a33520b
13a25250878
1458b5170cb
15339552c3b
hex1ef2f59eb

8307825131 has 2 divisors, whose sum is σ = 8307825132. Its totient is φ = 8307825130.

The previous prime is 8307825103. The next prime is 8307825161. The reversal of 8307825131 is 1315287038.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8307825131 - 218 = 8307562987 is a prime.

It is a super-2 number, since 2×83078251312 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8307825161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4153912565 + 4153912566.

It is an arithmetic number, because the mean of its divisors is an integer number (4153912566).

Almost surely, 28307825131 is an apocalyptic number.

8307825131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8307825131 is an equidigital number, since it uses as much as digits as its factorization.

8307825131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 8307825131 is about 91147.2716596608. The cubic root of 8307825131 is about 2025.3299370745.

The spelling of 8307825131 in words is "eight billion, three hundred seven million, eight hundred twenty-five thousand, one hundred thirty-one".