Base | Representation |
---|---|
bin | 10001111110010001111… |
… | …000110101101000101111 |
3 | 11101002000110120221110111 |
4 | 101332101320311220233 |
5 | 130213442410210111 |
6 | 2343222032120451 |
7 | 155143003031155 |
oct | 21762170655057 |
9 | 4332013527414 |
10 | 1235103210031 |
11 | 436893621379 |
12 | 17b455696127 |
13 | 8c6150072c2 |
14 | 43aca61d3d5 |
15 | 221db856a21 |
hex | 11f91e35a2f |
1235103210031 has 2 divisors, whose sum is σ = 1235103210032. Its totient is φ = 1235103210030.
The previous prime is 1235103210013. The next prime is 1235103210053. The reversal of 1235103210031 is 1300123015321.
Together with previous prime (1235103210013) it forms an Ormiston pair, because they use the same digits, order apart.
It is an a-pointer prime, because the next prime (1235103210053) can be obtained adding 1235103210031 to its sum of digits (22).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1235103210031 - 25 = 1235103209999 is a prime.
It is a super-2 number, since 2×12351032100312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1235103209984 and 1235103210011.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1235103211031) 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, 617551605015 + 617551605016.
It is an arithmetic number, because the mean of its divisors is an integer number (617551605016).
Almost surely, 21235103210031 is an apocalyptic number.
1235103210031 is a deficient number, since it is larger than the sum of its proper divisors (1).
1235103210031 is an equidigital number, since it uses as much as digits as its factorization.
1235103210031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 540, while the sum is 22.
Adding to 1235103210031 its reverse (1300123015321), we get a palindrome (2535226225352).
The spelling of 1235103210031 in words is "one trillion, two hundred thirty-five billion, one hundred three million, two hundred ten thousand, thirty-one".
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