243132213504 has 108 divisors (see below), whose sum is σ = 687389833424. Its totient is φ = 76276703232.

The previous prime is 243132213479. The next prime is 243132213523. The reversal of 243132213504 is 405312231342.

It is a super-2 number, since 2×243132213504² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325762 + ... + 769665.

Almost surely, 2^243132213504 is an apocalyptic number.

243132213504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243132213504 is an abundant number, since it is smaller than the sum of its proper divisors (444257619920).

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

243132213504 is a wasteful number, since it uses less digits than its factorization.

243132213504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095480 (or 1095449 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 243132213504 its reverse (405312231342), we get a palindrome (648444444846).

The spelling of 243132213504 in words is "two hundred forty-three billion, one hundred thirty-two million, two hundred thirteen thousand, five hundred four".