243211325032 has 32 divisors (see below), whose sum is σ = 499423528800. Its totient is φ = 110348812224.

The previous prime is 243211324991. The next prime is 243211325033. The reversal of 243211325032 is 230523112342.

It is a happy number.

It is a super-2 number, since 2×243211325032² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243211325033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19812258 + ... + 19824529.

It is an arithmetic number, because the mean of its divisors is an integer number (15606985275).

Almost surely, 2^243211325032 is an apocalyptic number.

It is an amenable number.

243211325032 is an abundant number, since it is smaller than the sum of its proper divisors (256212203768).

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

243211325032 is a wasteful number, since it uses less digits than its factorization.

243211325032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39636865 (or 39636861 counting only the distinct ones).

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

Adding to 243211325032 its reverse (230523112342), we get a palindrome (473734437374).

The spelling of 243211325032 in words is "two hundred forty-three billion, two hundred eleven million, three hundred twenty-five thousand, thirty-two".