243441100319 has 2 divisors, whose sum is σ = 243441100320. Its totient is φ = 243441100318.

The previous prime is 243441100277. The next prime is 243441100379. The reversal of 243441100319 is 913001144342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243441100319 - 2¹⁶ = 243441034783 is a prime.

It is a super-2 number, since 2×243441100319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243441100379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121720550159 + 121720550160.

It is an arithmetic number, because the mean of its divisors is an integer number (121720550160).

Almost surely, 2^243441100319 is an apocalyptic number.

243441100319 is a deficient number, since it is larger than the sum of its proper divisors (1).

243441100319 is an equidigital number, since it uses as much as digits as its factorization.

243441100319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 243441100319 in words is "two hundred forty-three billion, four hundred forty-one million, one hundred thousand, three hundred nineteen".