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10031216291 is a prime number
BaseRepresentation
bin10010101011110100…
…00011011010100011
3221220002111120211022
421111322003122203
5131020442410131
64335215440055
7503403634355
oct112572033243
927802446738
1010031216291
1142883a62a8
121b3b52602b
13c3b2c9c55
146b236b0d5
153da9c737b
hex255e836a3

10031216291 has 2 divisors, whose sum is σ = 10031216292. Its totient is φ = 10031216290.

The previous prime is 10031216281. The next prime is 10031216303. The reversal of 10031216291 is 19261213001.

10031216291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (19261213001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10031216291 - 26 = 10031216227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10031216291.

It is not a weakly prime, because it can be changed into another prime (10031216281) 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, 5015608145 + 5015608146.

It is an arithmetic number, because the mean of its divisors is an integer number (5015608146).

Almost surely, 210031216291 is an apocalyptic number.

10031216291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031216291 is an equidigital number, since it uses as much as digits as its factorization.

10031216291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 10031216291 its reverse (19261213001), we get a palindrome (29292429292).

The spelling of 10031216291 in words is "ten billion, thirty-one million, two hundred sixteen thousand, two hundred ninety-one".