23133130131031 has 4 divisors (see below), whose sum is σ = 23315280762112. Its totient is φ = 22950979499952.

The previous prime is 23133130131017. The next prime is 23133130131047. The reversal of 23133130131031 is 13013103133132.

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 23133130131031 - 2¹⁵ = 23133130098263 is a prime.

It is a super-2 number, since 2×23133130131031² (a number of 28 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 = 23133130130987 and 23133130131005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133130132031) 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, 91075315350 + ... + 91075315603.

It is an arithmetic number, because the mean of its divisors is an integer number (5828820190528).

Almost surely, 2^{23133130131031} is an apocalyptic number.

23133130131031 is a deficient number, since it is larger than the sum of its proper divisors (182150631081).

23133130131031 is a wasteful number, since it uses less digits than its factorization.

23133130131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182150631080.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 23133130131031 its reverse (13013103133132), we get a palindrome (36146233264163).

The spelling of 23133130131031 in words is "twenty-three trillion, one hundred thirty-three billion, one hundred thirty million, one hundred thirty-one thousand, thirty-one".