231232033130133 has 16 divisors (see below), whose sum is σ = 352353933691520. Its totient is φ = 132132455585856.

The previous prime is 231232033130101. The next prime is 231232033130149. The reversal of 231232033130133 is 331031330232132.

It is not a de Polignac number, because 231232033130133 - 2⁵ = 231232033130101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231232033130133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231232033130173) 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 15 ways as a sum of consecutive naturals, for example, 17717691 + ... + 27863607.

It is an arithmetic number, because the mean of its divisors is an integer number (22022120855720).

Almost surely, 2^{231232033130133} is an apocalyptic number.

It is an amenable number.

231232033130133 is a deficient number, since it is larger than the sum of its proper divisors (121121900561387).

231232033130133 is a wasteful number, since it uses less digits than its factorization.

231232033130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11231196.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 231232033130133 its reverse (331031330232132), we get a palindrome (562263363362265).

The spelling of 231232033130133 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, thirty-three million, one hundred thirty thousand, one hundred thirty-three".