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1230312030061 is a prime number
BaseRepresentation
bin10001111001110100010…
…011111011111101101101
311100121122120010210010111
4101321310103323331231
5130124134334430221
62341110400340021
7154613164464352
oct21716423737555
94317576123114
101230312030061
11434855080a04
1217a539014611
138c03050047a
1443794198629
152200adecbe1
hex11e744fbf6d

1230312030061 has 2 divisors, whose sum is σ = 1230312030062. Its totient is φ = 1230312030060.

The previous prime is 1230312030047. The next prime is 1230312030091. The reversal of 1230312030061 is 1600302130321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 971860788900 + 258451241161 = 985830^2 + 508381^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230312030061 - 29 = 1230312029549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230312030001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615156015030 + 615156015031.

It is an arithmetic number, because the mean of its divisors is an integer number (615156015031).

Almost surely, 21230312030061 is an apocalyptic number.

It is an amenable number.

1230312030061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230312030061 is an equidigital number, since it uses as much as digits as its factorization.

1230312030061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1230312030061 its reverse (1600302130321), we get a palindrome (2830614160382).

The spelling of 1230312030061 in words is "one trillion, two hundred thirty billion, three hundred twelve million, thirty thousand, sixty-one".