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312102020011 is a prime number
BaseRepresentation
bin1001000101010101011…
…10101110001110101011
31002211120221000100020111
410202222232232032223
520103141104120021
6355213325235151
731356115253455
oct4425256561653
91084527010214
10312102020011
111103a84aa031
12505a2402ab7
132357b1634b2
141116a5192d5
1581b9d828e1
hex48aabae3ab

312102020011 has 2 divisors, whose sum is σ = 312102020012. Its totient is φ = 312102020010.

The previous prime is 312102019963. The next prime is 312102020057. The reversal of 312102020011 is 110020201213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312102020011 - 223 = 312093631403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312102019973 and 312102020000.

It is not a weakly prime, because it can be changed into another prime (312102027011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156051010005 + 156051010006.

It is an arithmetic number, because the mean of its divisors is an integer number (156051010006).

Almost surely, 2312102020011 is an apocalyptic number.

312102020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

312102020011 is an equidigital number, since it uses as much as digits as its factorization.

312102020011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 312102020011 its reverse (110020201213), we get a palindrome (422122221224).

The spelling of 312102020011 in words is "three hundred twelve billion, one hundred two million, twenty thousand, eleven".