243105331024 has 40 divisors (see below), whose sum is σ = 487227114080. Its totient is φ = 117416573568.

The previous prime is 243105331003. The next prime is 243105331109. The reversal of 243105331024 is 420133501342.

It is a happy number.

243105331024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×243105331024⁵ (a number of 58 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243105330983 and 243105331001.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1394874 + ... + 1559449.

It is an arithmetic number, because the mean of its divisors is an integer number (12180677852).

Almost surely, 2^243105331024 is an apocalyptic number.

It is an amenable number.

243105331024 is an abundant number, since it is smaller than the sum of its proper divisors (244121783056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243105331024 is a wasteful number, since it uses less digits than its factorization.

243105331024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954507 (or 2954501 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 243105331024 its reverse (420133501342), we get a palindrome (663238832366).

The spelling of 243105331024 in words is "two hundred forty-three billion, one hundred five million, three hundred thirty-one thousand, twenty-four".