30321818041 has 2 divisors, whose sum is σ = 30321818042. Its totient is φ = 30321818040.

The previous prime is 30321818011. The next prime is 30321818077. The reversal of 30321818041 is 14081812303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15530393641 + 14791424400 = 124621^2 + 121620^2 .

It is a cyclic number.

It is not a de Polignac number, because 30321818041 - 2¹⁹ = 30321293753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30321817994 and 30321818012.

It is not a weakly prime, because it can be changed into another prime (30321818011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160909020 + 15160909021.

It is an arithmetic number, because the mean of its divisors is an integer number (15160909021).

Almost surely, 2^30321818041 is an apocalyptic number.

It is an amenable number.

30321818041 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321818041 is an equidigital number, since it uses as much as digits as its factorization.

30321818041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 30321818041 in words is "thirty billion, three hundred twenty-one million, eight hundred eighteen thousand, forty-one".