23131310133 has 8 divisors (see below), whose sum is σ = 30940917696. Its totient is φ = 15371288000.

The previous prime is 23131310093. The next prime is 23131310159. The reversal of 23131310133 is 33101313132.

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 23131310133 - 2¹⁰ = 23131309109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131310533) 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, 12395268 + ... + 12397133.

It is an arithmetic number, because the mean of its divisors is an integer number (3867614712).

Almost surely, 2^23131310133 is an apocalyptic number.

It is an amenable number.

23131310133 is a deficient number, since it is larger than the sum of its proper divisors (7809607563).

23131310133 is a wasteful number, since it uses less digits than its factorization.

23131310133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24792715.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 23131310133 its reverse (33101313132), we get a palindrome (56232623265).

The spelling of 23131310133 in words is "twenty-three billion, one hundred thirty-one million, three hundred ten thousand, one hundred thirty-three".