243115030131 has 8 divisors (see below), whose sum is σ = 324213213120. Its totient is φ = 162046766952.

The previous prime is 243115030127. The next prime is 243115030141. The reversal of 243115030131 is 131030511342.

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

It is not a de Polignac number, because 243115030131 - 2² = 243115030127 is a prime.

It is a super-2 number, since 2×243115030131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243115030111) 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, 7460985 + ... + 7493498.

It is an arithmetic number, because the mean of its divisors is an integer number (40526651640).

Almost surely, 2^243115030131 is an apocalyptic number.

243115030131 is a deficient number, since it is larger than the sum of its proper divisors (81098182989).

243115030131 is a wasteful number, since it uses less digits than its factorization.

243115030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14959905.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 243115030131 its reverse (131030511342), we get a palindrome (374145541473).

The spelling of 243115030131 in words is "two hundred forty-three billion, one hundred fifteen million, thirty thousand, one hundred thirty-one".