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2112031211 is a prime number
BaseRepresentation
bin111110111100011…
…0000100111101011
312110012011022011012
41331320300213223
513311134444321
6545324054135
7103223653253
oct17570604753
95405138135
102112031211
11994206344
124ab39434b
13278741114
141606dc963
15c564205b
hex7de309eb

2112031211 has 2 divisors, whose sum is σ = 2112031212. Its totient is φ = 2112031210.

The previous prime is 2112031139. The next prime is 2112031213. The reversal of 2112031211 is 1121302112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112031211 - 210 = 2112030187 is a prime.

Together with 2112031213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2112031213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056015605 + 1056015606.

It is an arithmetic number, because the mean of its divisors is an integer number (1056015606).

Almost surely, 22112031211 is an apocalyptic number.

2112031211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112031211 is an equidigital number, since it uses as much as digits as its factorization.

2112031211 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 14.

The square root of 2112031211 is about 45956.8407421572. The cubic root of 2112031211 is about 1283.0200520653.

Adding to 2112031211 its reverse (1121302112), we get a palindrome (3233333323).

The spelling of 2112031211 in words is "two billion, one hundred twelve million, thirty-one thousand, two hundred eleven".