231013333133 has 8 divisors (see below), whose sum is σ = 253854069120. Its totient is φ = 208479184480.

The previous prime is 231013333123. The next prime is 231013333151. The reversal of 231013333133 is 331333310132.

It is a happy number.

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 231013333133 - 2⁶ = 231013333069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231013333123) 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, 76645253 + ... + 76648266.

It is an arithmetic number, because the mean of its divisors is an integer number (31731758640).

Almost surely, 2^231013333133 is an apocalyptic number.

It is an amenable number.

231013333133 is a deficient number, since it is larger than the sum of its proper divisors (22840735987).

231013333133 is a wasteful number, since it uses less digits than its factorization.

231013333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153293667.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 231013333133 its reverse (331333310132), we get a palindrome (562346643265).

The spelling of 231013333133 in words is "two hundred thirty-one billion, thirteen million, three hundred thirty-three thousand, one hundred thirty-three".