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30431024291 is a prime number
BaseRepresentation
bin11100010101110101…
…001001010010100011
32220112210100012112202
4130111311021102203
5444310320234131
621551350243415
72125052303303
oct342565112243
986483305482
1030431024291
11119a6579a58
125a9335656b
132b3c779965
1416897a7603
15bd18b9bcb
hex715d494a3

30431024291 has 2 divisors, whose sum is σ = 30431024292. Its totient is φ = 30431024290.

The previous prime is 30431024287. The next prime is 30431024297. The reversal of 30431024291 is 19242013403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30431024291 - 22 = 30431024287 is a prime.

It is not a weakly prime, because it can be changed into another prime (30431024297) 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, 15215512145 + 15215512146.

It is an arithmetic number, because the mean of its divisors is an integer number (15215512146).

Almost surely, 230431024291 is an apocalyptic number.

30431024291 is a deficient number, since it is larger than the sum of its proper divisors (1).

30431024291 is an equidigital number, since it uses as much as digits as its factorization.

30431024291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 30431024291 its reverse (19242013403), we get a palindrome (49673037694).

The spelling of 30431024291 in words is "thirty billion, four hundred thirty-one million, twenty-four thousand, two hundred ninety-one".