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120112000031 is a prime number
BaseRepresentation
bin110111111011100111…
…0111010110000011111
3102111000210220210122202
41233313032322300133
53431442133000111
6131102333002115
711451326104052
oct1576716726037
9374023823582
10120112000031
1146a37102431
121b34132333b
13b43246cb8a
145b5617ca99
1531cec2ab3b
hex1bf73bac1f

120112000031 has 2 divisors, whose sum is σ = 120112000032. Its totient is φ = 120112000030.

The previous prime is 120111999983. The next prime is 120112000037. The reversal of 120112000031 is 130000211021.

It is a strong prime.

It is an emirp because it is prime and its reverse (130000211021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120112000031 - 26 = 120111999967 is a prime.

It is a super-2 number, since 2×1201120000312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120111999976 and 120112000021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120112000037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60056000015 + 60056000016.

It is an arithmetic number, because the mean of its divisors is an integer number (60056000016).

Almost surely, 2120112000031 is an apocalyptic number.

120112000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120112000031 is an equidigital number, since it uses as much as digits as its factorization.

120112000031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 120112000031 its reverse (130000211021), we get a palindrome (250112211052).

The spelling of 120112000031 in words is "one hundred twenty billion, one hundred twelve million, thirty-one", and thus it is an aban number.