23133100031 has 4 divisors (see below), whose sum is σ = 23133465600. Its totient is φ = 23132734464.

The previous prime is 23133100027. The next prime is 23133100033. The reversal of 23133100031 is 13000133132.

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

It is a cyclic number.

It is not a de Polignac number, because 23133100031 - 2² = 23133100027 is a prime.

It is a super-2 number, since 2×23133100031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23133099982 and 23133100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133100033) 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 3 ways as a sum of consecutive naturals, for example, 60671 + ... + 223488.

It is an arithmetic number, because the mean of its divisors is an integer number (5783366400).

Almost surely, 2^23133100031 is an apocalyptic number.

23133100031 is a deficient number, since it is larger than the sum of its proper divisors (365569).

23133100031 is an equidigital number, since it uses as much as digits as its factorization.

23133100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365568.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 23133100031 its reverse (13000133132), we get a palindrome (36133233163).

The spelling of 23133100031 in words is "twenty-three billion, one hundred thirty-three million, one hundred thousand, thirty-one".