243130512522 has 16 divisors (see below), whose sum is σ = 486413639712. Its totient is φ = 81018068400.

The previous prime is 243130512509. The next prime is 243130512523. The reversal of 243130512522 is 225215031342.

243130512522 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 2×243130512522² (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 243130512522.

It is not an unprimeable number, because it can be changed into a prime (243130512523) by changing a digit.

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, 6338229 + ... + 6376472.

It is an arithmetic number, because the mean of its divisors is an integer number (30400852482).

Almost surely, 2^243130512522 is an apocalyptic number.

243130512522 is an abundant number, since it is smaller than the sum of its proper divisors (243283127190).

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

243130512522 is a wasteful number, since it uses less digits than its factorization.

243130512522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12717893.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 243130512522 its reverse (225215031342), we get a palindrome (468345543864).

The spelling of 243130512522 in words is "two hundred forty-three billion, one hundred thirty million, five hundred twelve thousand, five hundred twenty-two".