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30317158873 is a prime number
BaseRepresentation
bin11100001111000010…
…110010000111011001
32220020212002020120001
4130033002302013121
5444042143040443
621532201533001
72122200412201
oct341702620731
986225066501
1030317158873
1111948278201
125a611a4161
132b21cc0081
141678607401
15bc68c6d4d
hex70f0b21d9

30317158873 has 2 divisors, whose sum is σ = 30317158874. Its totient is φ = 30317158872.

The previous prime is 30317158871. The next prime is 30317158897. The reversal of 30317158873 is 37885171303.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26792124489 + 3525034384 = 163683^2 + 59372^2 .

It is a cyclic number.

It is not a de Polignac number, because 30317158873 - 21 = 30317158871 is a prime.

Together with 30317158871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30317158871) 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, 15158579436 + 15158579437.

It is an arithmetic number, because the mean of its divisors is an integer number (15158579437).

Almost surely, 230317158873 is an apocalyptic number.

It is an amenable number.

30317158873 is a deficient number, since it is larger than the sum of its proper divisors (1).

30317158873 is an equidigital number, since it uses as much as digits as its factorization.

30317158873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 30317158873 in words is "thirty billion, three hundred seventeen million, one hundred fifty-eight thousand, eight hundred seventy-three".