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1210314397 is a prime number
BaseRepresentation
bin100100000100011…
…1110111010011101
310010100102100020011
41020020332322131
54434320030042
6320033123221
741664334255
oct11010767235
93110370204
101210314397
11571211136
122993b9511
13163996186
14b6a56965
15713c6a17
hex4823ee9d

1210314397 has 2 divisors, whose sum is σ = 1210314398. Its totient is φ = 1210314396.

The previous prime is 1210314389. The next prime is 1210314461. The reversal of 1210314397 is 7934130121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819619641 + 390694756 = 28629^2 + 19766^2 .

It is an emirp because it is prime and its reverse (7934130121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210314397 - 23 = 1210314389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210344397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605157198 + 605157199.

It is an arithmetic number, because the mean of its divisors is an integer number (605157199).

Almost surely, 21210314397 is an apocalyptic number.

It is an amenable number.

1210314397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210314397 is an equidigital number, since it uses as much as digits as its factorization.

1210314397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1210314397 is about 34789.5731074700. The cubic root of 1210314397 is about 1065.6945213766.

The spelling of 1210314397 in words is "one billion, two hundred ten million, three hundred fourteen thousand, three hundred ninety-seven".