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120203130031 is a prime number
BaseRepresentation
bin110111111110010101…
…0100011010010101111
3102111021011101200111221
41233330222203102233
53432134000130111
6131115350124211
711453513514145
oct1577452432257
9374234350457
10120203130031
1146a83595786
121b367950667
13b4482c925a
145b64301595
1531d7c2c371
hex1bfcaa34af

120203130031 has 2 divisors, whose sum is σ = 120203130032. Its totient is φ = 120203130030.

The previous prime is 120203130011. The next prime is 120203130037. The reversal of 120203130031 is 130031302021.

It is a strong prime.

It is an emirp because it is prime and its reverse (130031302021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120203130031 - 27 = 120203129903 is a prime.

It is a super-2 number, since 2×1202031300312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120203129987 and 120203130014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120203130037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101565015 + 60101565016.

It is an arithmetic number, because the mean of its divisors is an integer number (60101565016).

Almost surely, 2120203130031 is an apocalyptic number.

120203130031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120203130031 is an equidigital number, since it uses as much as digits as its factorization.

120203130031 is an odious number, because the sum of its binary digits is odd.

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

Adding to 120203130031 its reverse (130031302021), we get a palindrome (250234432052).

The spelling of 120203130031 in words is "one hundred twenty billion, two hundred three million, one hundred thirty thousand, thirty-one".