243101250361 has 2 divisors, whose sum is σ = 243101250362. Its totient is φ = 243101250360.

The previous prime is 243101250311. The next prime is 243101250391. The reversal of 243101250361 is 163052101342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180471182761 + 62630067600 = 424819^2 + 250260^2 .

It is a cyclic number.

It is not a de Polignac number, because 243101250361 - 2³³ = 234511315769 is a prime.

It is not a weakly prime, because it can be changed into another prime (243101250311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121550625180 + 121550625181.

It is an arithmetic number, because the mean of its divisors is an integer number (121550625181).

Almost surely, 2^243101250361 is an apocalyptic number.

It is an amenable number.

243101250361 is a deficient number, since it is larger than the sum of its proper divisors (1).

243101250361 is an equidigital number, since it uses as much as digits as its factorization.

243101250361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 243101250361 in words is "two hundred forty-three billion, one hundred one million, two hundred fifty thousand, three hundred sixty-one".