243033041313 has 12 divisors (see below), whose sum is σ = 353403753300. Its totient is φ = 160934630496.

The previous prime is 243033041311. The next prime is 243033041371. The reversal of 243033041313 is 313140330342.

243033041313 is a `hidden beast` number, since 2 + 4 + 303 + 3 + 0 + 41 + 313 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22366099809 + 220666941504 = 149553^2 + 469752^2 .

It is not a de Polignac number, because 243033041313 - 2¹ = 243033041311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243033041311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90615006 + ... + 90617687.

It is an arithmetic number, because the mean of its divisors is an integer number (29450312775).

Almost surely, 2^243033041313 is an apocalyptic number.

It is an amenable number.

243033041313 is a deficient number, since it is larger than the sum of its proper divisors (110370711987).

243033041313 is a wasteful number, since it uses less digits than its factorization.

243033041313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181232848 (or 181232845 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 243033041313 its reverse (313140330342), we get a palindrome (556173371655).

The spelling of 243033041313 in words is "two hundred forty-three billion, thirty-three million, forty-one thousand, three hundred thirteen".