231135043115 has 4 divisors (see below), whose sum is σ = 277362051744. Its totient is φ = 184908034488.

The previous prime is 231135043099. The next prime is 231135043141. The reversal of 231135043115 is 511340531132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231135043115 - 2⁴ = 231135043099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23113504307 + ... + 23113504316.

It is an arithmetic number, because the mean of its divisors is an integer number (69340512936).

Almost surely, 2^231135043115 is an apocalyptic number.

231135043115 is a deficient number, since it is larger than the sum of its proper divisors (46227008629).

231135043115 is an equidigital number, since it uses as much as digits as its factorization.

231135043115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46227008628.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 231135043115 its reverse (511340531132), we get a palindrome (742475574247).

The spelling of 231135043115 in words is "two hundred thirty-one billion, one hundred thirty-five million, forty-three thousand, one hundred fifteen".