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203023331297 is a prime number
BaseRepresentation
bin1011110100010100100…
…0100010111111100001
3201102001001012211100122
42331011020202333201
511311242433100142
6233133450330025
720445051561653
oct2750510427741
9642031184318
10203023331297
1179113417806
1233420129915
13161b67b21c7
149b7d83c6d3
155433ac61d2
hex2f45222fe1

203023331297 has 2 divisors, whose sum is σ = 203023331298. Its totient is φ = 203023331296.

The previous prime is 203023331281. The next prime is 203023331299. The reversal of 203023331297 is 792133320302.

203023331297 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 can be written as a sum of positive squares in only one way, i.e., 138830014801 + 64193316496 = 372599^2 + 253364^2 .

It is a cyclic number.

It is not a de Polignac number, because 203023331297 - 24 = 203023331281 is a prime.

Together with 203023331299, 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 (203023331299) 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, 101511665648 + 101511665649.

It is an arithmetic number, because the mean of its divisors is an integer number (101511665649).

Almost surely, 2203023331297 is an apocalyptic number.

It is an amenable number.

203023331297 is a deficient number, since it is larger than the sum of its proper divisors (1).

203023331297 is an equidigital number, since it uses as much as digits as its factorization.

203023331297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 35.

Adding to 203023331297 its reverse (792133320302), we get a palindrome (995156651599).

The spelling of 203023331297 in words is "two hundred three billion, twenty-three million, three hundred thirty-one thousand, two hundred ninety-seven".