243105211230 has 32 divisors (see below), whose sum is σ = 666802865664. Its totient is φ = 55566905376.

The previous prime is 243105211211. The next prime is 243105211253. The reversal of 243105211230 is 32112501342.

243105211230 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 2×243105211230² (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 243105211230.

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 15 ways as a sum of consecutive naturals, for example, 578821722 + ... + 578822141.

It is an arithmetic number, because the mean of its divisors is an integer number (20837589552).

Almost surely, 2^243105211230 is an apocalyptic number.

243105211230 is an abundant number, since it is smaller than the sum of its proper divisors (423697654434).

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

243105211230 is a wasteful number, since it uses less digits than its factorization.

243105211230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157643880.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 243105211230 its reverse (32112501342), we get a palindrome (275217712572).

The spelling of 243105211230 in words is "two hundred forty-three billion, one hundred five million, two hundred eleven thousand, two hundred thirty".