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3808531313 is a prime number
BaseRepresentation
bin1110001100000001…
…1001001101110001
3100211102102102210022
43203000121031301
530244441000223
61425530013225
7163243660556
oct34300311561
910742372708
103808531313
1116848a8a44
128a3577215
13489063632
14281b52a2d
15174553ac8
hexe3019371

3808531313 has 2 divisors, whose sum is σ = 3808531314. Its totient is φ = 3808531312.

The previous prime is 3808531219. The next prime is 3808531327. The reversal of 3808531313 is 3131358083.

3808531313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3664123024 + 144408289 = 60532^2 + 12017^2 .

It is a cyclic number.

It is not a de Polignac number, because 3808531313 - 224 = 3791754097 is a prime.

It is not a weakly prime, because it can be changed into another prime (3808531373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1904265656 + 1904265657.

It is an arithmetic number, because the mean of its divisors is an integer number (1904265657).

Almost surely, 23808531313 is an apocalyptic number.

It is an amenable number.

3808531313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3808531313 is an equidigital number, since it uses as much as digits as its factorization.

3808531313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3808531313 is about 61713.2993203248. The cubic root of 3808531313 is about 1561.6576879432.

Adding to 3808531313 its reverse (3131358083), we get a palindrome (6939889396).

The spelling of 3808531313 in words is "three billion, eight hundred eight million, five hundred thirty-one thousand, three hundred thirteen".