243132525131 has 8 divisors (see below), whose sum is σ = 257440284720. Its totient is φ = 228825415168.

The previous prime is 243132525127. The next prime is 243132525137. The reversal of 243132525131 is 131525231342.

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

It is a cyclic number.

It is not a de Polignac number, because 243132525131 - 2² = 243132525127 is a prime.

It is a super-2 number, since 2×243132525131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243132525137) 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, 756860 + ... + 1029126.

It is an arithmetic number, because the mean of its divisors is an integer number (32180035590).

Almost surely, 2^243132525131 is an apocalyptic number.

243132525131 is a deficient number, since it is larger than the sum of its proper divisors (14307759589).

243132525131 is a wasteful number, since it uses less digits than its factorization.

243132525131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324813.

The product of its digits is 21600, while the sum is 32.

Adding to 243132525131 its reverse (131525231342), we get a palindrome (374657756473).

The spelling of 243132525131 in words is "two hundred forty-three billion, one hundred thirty-two million, five hundred twenty-five thousand, one hundred thirty-one".