243130505322 has 16 divisors (see below), whose sum is σ = 486309568320. Its totient is φ = 81035408832.

The previous prime is 243130505309. The next prime is 243130505363. The reversal of 243130505322 is 223505031342.

243130505322 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-2 number, since 2×243130505322² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243130505322.

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, 1957983 + ... + 2078450.

It is an arithmetic number, because the mean of its divisors is an integer number (30394348020).

Almost surely, 2^243130505322 is an apocalyptic number.

243130505322 is an abundant number, since it is smaller than the sum of its proper divisors (243179062998).

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

243130505322 is a wasteful number, since it uses less digits than its factorization.

243130505322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046477.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 243130505322 its reverse (223505031342), we get a palindrome (466635536664).

The spelling of 243130505322 in words is "two hundred forty-three billion, one hundred thirty million, five hundred five thousand, three hundred twenty-two".