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103303130221 is a prime number
BaseRepresentation
bin110000000110101011…
…0001010110001101101
3100212122101001202002001
41200031112022301231
53143031100131341
6115242400332301
710314643055524
oct1401526126155
9325571052061
10103303130221
113a8a0a18795
1218030014091
139983c49775
144ddda134bb
152a49209d31
hex180d58ac6d

103303130221 has 2 divisors, whose sum is σ = 103303130222. Its totient is φ = 103303130220.

The previous prime is 103303130179. The next prime is 103303130233. The reversal of 103303130221 is 122031303301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69795827721 + 33507302500 = 264189^2 + 183050^2 .

It is an emirp because it is prime and its reverse (122031303301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103303130221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103303131221) 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, 51651565110 + 51651565111.

It is an arithmetic number, because the mean of its divisors is an integer number (51651565111).

Almost surely, 2103303130221 is an apocalyptic number.

It is an amenable number.

103303130221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103303130221 is an equidigital number, since it uses as much as digits as its factorization.

103303130221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 103303130221 its reverse (122031303301), we get a palindrome (225334433522).

The spelling of 103303130221 in words is "one hundred three billion, three hundred three million, one hundred thirty thousand, two hundred twenty-one".