Base | Representation |
---|---|
bin | 110111111011111101… |
… | …0001000110111101111 |
3 | 102111001121020102111101 |
4 | 1233313322020313233 |
5 | 3432003033030111 |
6 | 131103415503531 |
7 | 11451524313115 |
oct | 1576772106757 |
9 | 374047212441 |
10 | 120123330031 |
11 | 46a42540871 |
12 | 1b345087ba7 |
13 | b434908c13 |
14 | 5b5788bab5 |
15 | 31d0c17bc1 |
hex | 1bf7e88def |
120123330031 has 2 divisors, whose sum is σ = 120123330032. Its totient is φ = 120123330030.
The previous prime is 120123329969. The next prime is 120123330049. The reversal of 120123330031 is 130033321021.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120123330031 is a prime.
It is a super-2 number, since 2×1201233300312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 120123329990 and 120123330008.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120123330731) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061665015 + 60061665016.
It is an arithmetic number, because the mean of its divisors is an integer number (60061665016).
Almost surely, 2120123330031 is an apocalyptic number.
120123330031 is a deficient number, since it is larger than the sum of its proper divisors (1).
120123330031 is an equidigital number, since it uses as much as digits as its factorization.
120123330031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 120123330031 its reverse (130033321021), we get a palindrome (250156651052).
The spelling of 120123330031 in words is "one hundred twenty billion, one hundred twenty-three million, three hundred thirty thousand, thirty-one".
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