243132003021 has 8 divisors (see below), whose sum is σ = 324192624544. Its totient is φ = 162079691760.

The previous prime is 243132003007. The next prime is 243132003041. The reversal of 243132003021 is 120300231342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243132003021 - 2⁶ = 243132002957 is a prime.

It is a super-2 number, since 2×243132003021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243132003041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008975 + ... + 2126556.

It is an arithmetic number, because the mean of its divisors is an integer number (40524078068).

Almost surely, 2^243132003021 is an apocalyptic number.

It is an amenable number.

243132003021 is a deficient number, since it is larger than the sum of its proper divisors (81060621523).

243132003021 is a wasteful number, since it uses less digits than its factorization.

243132003021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155131.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 243132003021 its reverse (120300231342), we get a palindrome (363432234363).

The spelling of 243132003021 in words is "two hundred forty-three billion, one hundred thirty-two million, three thousand, twenty-one".