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311230230253 is a prime number
BaseRepresentation
bin1001000011101101100…
…01000110111011101101
31002202100011120211111221
410201312301012323231
520044344414332003
6354551023543341
731325401210405
oct4416661067355
91082304524457
10311230230253
1110aaa0395528
125039a45ab51
132346c666277
14110c6823805
1581685797bd
hex4876c46eed

311230230253 has 2 divisors, whose sum is σ = 311230230254. Its totient is φ = 311230230252.

The previous prime is 311230230229. The next prime is 311230230347. The reversal of 311230230253 is 352032032113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255618214569 + 55612015684 = 505587^2 + 235822^2 .

It is a cyclic number.

It is not a de Polignac number, because 311230230253 - 25 = 311230230221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311230230953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155615115126 + 155615115127.

It is an arithmetic number, because the mean of its divisors is an integer number (155615115127).

Almost surely, 2311230230253 is an apocalyptic number.

It is an amenable number.

311230230253 is a deficient number, since it is larger than the sum of its proper divisors (1).

311230230253 is an equidigital number, since it uses as much as digits as its factorization.

311230230253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 311230230253 its reverse (352032032113), we get a palindrome (663262262366).

The spelling of 311230230253 in words is "three hundred eleven billion, two hundred thirty million, two hundred thirty thousand, two hundred fifty-three".