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30121331327 is a prime number
BaseRepresentation
bin11100000011010111…
…110000101001111111
32212202012121011122222
4130003113300221333
5443142030100302
621500524355555
72114302043333
oct340327605177
985665534588
1030121331327
111185778505a
125a076a5bbb
132ac0566c99
14165a5cd7c3
15bb45e3da2
hex7035f0a7f

30121331327 has 2 divisors, whose sum is σ = 30121331328. Its totient is φ = 30121331326.

The previous prime is 30121331309. The next prime is 30121331347. The reversal of 30121331327 is 72313312103.

It is a weak prime.

It is an emirp because it is prime and its reverse (72313312103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30121331327 - 214 = 30121314943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30121331296 and 30121331305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30121331347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060665663 + 15060665664.

It is an arithmetic number, because the mean of its divisors is an integer number (15060665664).

Almost surely, 230121331327 is an apocalyptic number.

30121331327 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121331327 is an equidigital number, since it uses as much as digits as its factorization.

30121331327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The spelling of 30121331327 in words is "thirty billion, one hundred twenty-one million, three hundred thirty-one thousand, three hundred twenty-seven".