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210211212313 is a prime number
BaseRepresentation
bin1100001111000110010…
…0001000110000011001
3202002120222111000110001
43003301210020300121
511421003032243223
6240323015453001
721121141552204
oct3036144106031
9662528430401
10210211212313
1181171827143
12348a7387161
1316a909bb23b
14a26230493b
155704b539ad
hex30f1908c19

210211212313 has 2 divisors, whose sum is σ = 210211212314. Its totient is φ = 210211212312.

The previous prime is 210211212301. The next prime is 210211212383. The reversal of 210211212313 is 313212112012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195392289024 + 14818923289 = 442032^2 + 121733^2 .

It is a cyclic number.

It is not a de Polignac number, because 210211212313 - 221 = 210209115161 is a prime.

It is not a weakly prime, because it can be changed into another prime (210211212383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105606156 + 105105606157.

It is an arithmetic number, because the mean of its divisors is an integer number (105105606157).

Almost surely, 2210211212313 is an apocalyptic number.

It is an amenable number.

210211212313 is a deficient number, since it is larger than the sum of its proper divisors (1).

210211212313 is an equidigital number, since it uses as much as digits as its factorization.

210211212313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 210211212313 its reverse (313212112012), we get a palindrome (523423324325).

The spelling of 210211212313 in words is "two hundred ten billion, two hundred eleven million, two hundred twelve thousand, three hundred thirteen".