231242033113 has 32 divisors (see below), whose sum is σ = 293965414400. Its totient is φ = 176950889280.

The previous prime is 231242033107. The next prime is 231242033117. The reversal of 231242033113 is 311330242132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231242033113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231242033117) 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 31 ways as a sum of consecutive naturals, for example, 4768756 + ... + 4817002.

It is an arithmetic number, because the mean of its divisors is an integer number (9186419200).

Almost surely, 2^231242033113 is an apocalyptic number.

It is an amenable number.

231242033113 is a deficient number, since it is larger than the sum of its proper divisors (62723381287).

231242033113 is a wasteful number, since it uses less digits than its factorization.

231242033113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49997.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231242033113 its reverse (311330242132), we get a palindrome (542572275245).

The spelling of 231242033113 in words is "two hundred thirty-one billion, two hundred forty-two million, thirty-three thousand, one hundred thirteen".