243204001131019 has 2 divisors, whose sum is σ = 243204001131020. Its totient is φ = 243204001131018.

The previous prime is 243204001130971. The next prime is 243204001131067. The reversal of 243204001131019 is 910131100402342.

It is a balanced prime because it is at equal distance from previous prime (243204001130971) and next prime (243204001131067).

It is a cyclic number.

It is not a de Polignac number, because 243204001131019 - 2⁹ = 243204001130507 is a prime.

It is a super-2 number, since 2×243204001131019² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243204001131089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121602000565509 + 121602000565510.

It is an arithmetic number, because the mean of its divisors is an integer number (121602000565510).

Almost surely, 2^{243204001131019} is an apocalyptic number.

243204001131019 is a deficient number, since it is larger than the sum of its proper divisors (1).

243204001131019 is an equidigital number, since it uses as much as digits as its factorization.

243204001131019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 243204001131019 in words is "two hundred forty-three trillion, two hundred four billion, one million, one hundred thirty-one thousand, nineteen".