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211232203031 is a prime number
BaseRepresentation
bin1100010010111001101…
…0111010000100010111
3202012020010122201102002
43010232122322010113
511430100420444111
6241012211105515
721155350046423
oct3045632720427
9665203581362
10211232203031
1181646087623
1234b312a229b
1316bc4397765
14a31bb57b83
1557645ce63b
hex312e6ba117

211232203031 has 2 divisors, whose sum is σ = 211232203032. Its totient is φ = 211232203030.

The previous prime is 211232202947. The next prime is 211232203093. The reversal of 211232203031 is 130302232112.

211232203031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211232203031 - 214 = 211232186647 is a prime.

It is a super-2 number, since 2×2112322030312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211232202994 and 211232203012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211232203531) 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, 105616101515 + 105616101516.

It is an arithmetic number, because the mean of its divisors is an integer number (105616101516).

Almost surely, 2211232203031 is an apocalyptic number.

211232203031 is a deficient number, since it is larger than the sum of its proper divisors (1).

211232203031 is an equidigital number, since it uses as much as digits as its factorization.

211232203031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211232203031 its reverse (130302232112), we get a palindrome (341534435143).

The spelling of 211232203031 in words is "two hundred eleven billion, two hundred thirty-two million, two hundred three thousand, thirty-one".