23018033131 has 4 divisors (see below), whose sum is σ = 23021114200. Its totient is φ = 23014952064.

The previous prime is 23018033117. The next prime is 23018033147. The reversal of 23018033131 is 13133081032.

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 23018033131 - 2³³ = 14428098539 is a prime.

It is a super-2 number, since 2×23018033131² (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 = 23018033096 and 23018033105.

It is not an unprimeable number, because it can be changed into a prime (23018043131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529301 + ... + 1544278.

It is an arithmetic number, because the mean of its divisors is an integer number (5755278550).

Almost surely, 2^23018033131 is an apocalyptic number.

23018033131 is a deficient number, since it is larger than the sum of its proper divisors (3081069).

23018033131 is an equidigital number, since it uses as much as digits as its factorization.

23018033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081068.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 23018033131 in words is "twenty-three billion, eighteen million, thirty-three thousand, one hundred thirty-one".