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2012311001 is a prime number
BaseRepresentation
bin111011111110001…
…0110110111011001
312012020111222202002
41313330112313121
513110122423001
6531402450345
7100603234631
oct16774266731
95166458662
102012311001
11942996048
12481b039b5
13260b97a8c
141513816c1
15bb9e546b
hex77f16dd9

2012311001 has 2 divisors, whose sum is σ = 2012311002. Its totient is φ = 2012311000.

The previous prime is 2012310983. The next prime is 2012311027. The reversal of 2012311001 is 1001132102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086691225 + 925619776 = 32965^2 + 30424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2012311001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012311051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006155500 + 1006155501.

It is an arithmetic number, because the mean of its divisors is an integer number (1006155501).

Almost surely, 22012311001 is an apocalyptic number.

It is an amenable number.

2012311001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012311001 is an equidigital number, since it uses as much as digits as its factorization.

2012311001 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.

The square root of 2012311001 is about 44858.7895623589. The cubic root of 2012311001 is about 1262.5009118838.

Adding to 2012311001 its reverse (1001132102), we get a palindrome (3013443103).

The spelling of 2012311001 in words is "two billion, twelve million, three hundred eleven thousand, one".