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1230331104421 is a prime number
BaseRepresentation
bin10001111001110101011…
…100101100110010100101
311100121200220000212020021
4101321311130230302211
5130124204230320141
62341112321235141
7154613515556626
oct21716534546245
94317626025207
101230331104421
11434864919841
1217a543492ab1
138c03444b483
1443796921a4d
152200c9196d1
hex11e7572cca5

1230331104421 has 2 divisors, whose sum is σ = 1230331104422. Its totient is φ = 1230331104420.

The previous prime is 1230331104403. The next prime is 1230331104517. The reversal of 1230331104421 is 1244011330321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987070068196 + 243261036225 = 993514^2 + 493215^2 .

It is an emirp because it is prime and its reverse (1244011330321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230331104421 - 211 = 1230331102373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230331104221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615165552210 + 615165552211.

It is an arithmetic number, because the mean of its divisors is an integer number (615165552211).

Almost surely, 21230331104421 is an apocalyptic number.

It is an amenable number.

1230331104421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230331104421 is an equidigital number, since it uses as much as digits as its factorization.

1230331104421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1230331104421 its reverse (1244011330321), we get a palindrome (2474342434742).

The spelling of 1230331104421 in words is "one trillion, two hundred thirty billion, three hundred thirty-one million, one hundred four thousand, four hundred twenty-one".