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2103325121 is a prime number
BaseRepresentation
bin111110101011110…
…0011000111000001
312102120202222122102
41331113203013001
513301422400441
6544413320145
7103056653132
oct17527430701
95376688572
102103325121
1198a2aa327
124a8496055
132769b34a1
1415d4b3c89
15c49c269b
hex7d5e31c1

2103325121 has 2 divisors, whose sum is σ = 2103325122. Its totient is φ = 2103325120.

The previous prime is 2103325117. The next prime is 2103325123. The reversal of 2103325121 is 1215233012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2087484721 + 15840400 = 45689^2 + 3980^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103325121 - 22 = 2103325117 is a prime.

Together with 2103325123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2103325093 and 2103325102.

It is not a weakly prime, because it can be changed into another prime (2103325123) 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, 1051662560 + 1051662561.

It is an arithmetic number, because the mean of its divisors is an integer number (1051662561).

Almost surely, 22103325121 is an apocalyptic number.

It is an amenable number.

2103325121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103325121 is an equidigital number, since it uses as much as digits as its factorization.

2103325121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2103325121 is about 45862.0226440134. The cubic root of 2103325121 is about 1281.2546943917.

Adding to 2103325121 its reverse (1215233012), we get a palindrome (3318558133).

The spelling of 2103325121 in words is "two billion, one hundred three million, three hundred twenty-five thousand, one hundred twenty-one".