Search a number
-
+
120311122103 is a prime number
BaseRepresentation
bin111000000001100011…
…0100000100010110111
3102111112200121020210022
41300003012200202313
53432344121401403
6131134204515355
711456264443634
oct1600306404267
9374480536708
10120311122103
1147029545827
121b397b4bb5b
13b4647aa6a3
145b747b318b
1531e245ed38
hex1c031a08b7

120311122103 has 2 divisors, whose sum is σ = 120311122104. Its totient is φ = 120311122102.

The previous prime is 120311122079. The next prime is 120311122111. The reversal of 120311122103 is 301221113021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120311122103 - 212 = 120311118007 is a prime.

It is a super-2 number, since 2×1203111221032 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120311122903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60155561051 + 60155561052.

It is an arithmetic number, because the mean of its divisors is an integer number (60155561052).

Almost surely, 2120311122103 is an apocalyptic number.

120311122103 is a deficient number, since it is larger than the sum of its proper divisors (1).

120311122103 is an equidigital number, since it uses as much as digits as its factorization.

120311122103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 120311122103 its reverse (301221113021), we get a palindrome (421532235124).

The spelling of 120311122103 in words is "one hundred twenty billion, three hundred eleven million, one hundred twenty-two thousand, one hundred three".