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20130211303 is a prime number
BaseRepresentation
bin10010101111110110…
…101010010111100111
31220221220112200120121
4102233312222113213
5312211313230203
613125300142411
71311562654456
oct225766522747
956856480517
1020130211303
11859aa85774
123a99697a07
131b8a668647
14d8d6dcb9d
157cc3dc0bd
hex4afdaa5e7

20130211303 has 2 divisors, whose sum is σ = 20130211304. Its totient is φ = 20130211302.

The previous prime is 20130211301. The next prime is 20130211331. The reversal of 20130211303 is 30311203102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20130211303 - 21 = 20130211301 is a prime.

Together with 20130211301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130211301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065105651 + 10065105652.

It is an arithmetic number, because the mean of its divisors is an integer number (10065105652).

Almost surely, 220130211303 is an apocalyptic number.

20130211303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130211303 is an equidigital number, since it uses as much as digits as its factorization.

20130211303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20130211303 its reverse (30311203102), we get a palindrome (50441414405).

The spelling of 20130211303 in words is "twenty billion, one hundred thirty million, two hundred eleven thousand, three hundred three".