23033101331 has 4 divisors (see below), whose sum is σ = 23208926664. Its totient is φ = 22857276000.

The previous prime is 23033101307. The next prime is 23033101349. The reversal of 23033101331 is 13310133032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23033101331 is a prime.

It is a super-2 number, since 2×23033101331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23033151331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87912470 + ... + 87912731.

It is an arithmetic number, because the mean of its divisors is an integer number (5802231666).

Almost surely, 2^23033101331 is an apocalyptic number.

23033101331 is a deficient number, since it is larger than the sum of its proper divisors (175825333).

23033101331 is a wasteful number, since it uses less digits than its factorization.

23033101331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175825332.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 23033101331 its reverse (13310133032), we get a palindrome (36343234363).

The spelling of 23033101331 in words is "twenty-three billion, thirty-three million, one hundred one thousand, three hundred thirty-one".