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1230332302181 is a prime number
BaseRepresentation
bin10001111001110101100…
…001010001001101100101
311100121200222021201020202
4101321311201101031211
5130124210032132211
62341112403040245
7154613532005633
oct21716541211545
94317628251222
101230332302181
11434865567724
1217a543970085
138c03477a6c8
1443796b54353
152200caa453b
hex11e75851365

1230332302181 has 2 divisors, whose sum is σ = 1230332302182. Its totient is φ = 1230332302180.

The previous prime is 1230332302123. The next prime is 1230332302267. The reversal of 1230332302181 is 1812032330321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1219721448100 + 10610854081 = 1104410^2 + 103009^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230332302181 - 238 = 955454395237 is a prime.

It is a super-2 number, since 2×12303323021812 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230332302481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615166151090 + 615166151091.

It is an arithmetic number, because the mean of its divisors is an integer number (615166151091).

Almost surely, 21230332302181 is an apocalyptic number.

It is an amenable number.

1230332302181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230332302181 is an equidigital number, since it uses as much as digits as its factorization.

1230332302181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 1230332302181 in words is "one trillion, two hundred thirty billion, three hundred thirty-two million, three hundred two thousand, one hundred eighty-one".