243134541213 has 8 divisors (see below), whose sum is σ = 335357988000. Its totient is φ = 156500394288.

The previous prime is 243134541203. The next prime is 243134541313. The reversal of 243134541213 is 312145431342.

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

It is not a de Polignac number, because 243134541213 - 2⁴ = 243134541197 is a prime.

It is a super-2 number, since 2×243134541213² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243134541203) 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, 1397324863 + ... + 1397325036.

It is an arithmetic number, because the mean of its divisors is an integer number (41919748500).

Almost surely, 2^243134541213 is an apocalyptic number.

It is an amenable number.

243134541213 is a deficient number, since it is larger than the sum of its proper divisors (92223446787).

243134541213 is a wasteful number, since it uses less digits than its factorization.

243134541213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794649931.

The product of its digits is 34560, while the sum is 33.

Adding to 243134541213 its reverse (312145431342), we get a palindrome (555279972555).

The spelling of 243134541213 in words is "two hundred forty-three billion, one hundred thirty-four million, five hundred forty-one thousand, two hundred thirteen".