131123121133033 has 4 divisors (see below), whose sum is σ = 131123982311680. Its totient is φ = 131122259954388.

The previous prime is 131123121133007. The next prime is 131123121133051. The reversal of 131123121133033 is 330331121321131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131123121133033 - 2¹³ = 131123121124841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131123121132992 and 131123121133010.

It is not an unprimeable number, because it can be changed into a prime (131123122133033) 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, 430360893 + ... + 430665466.

It is an arithmetic number, because the mean of its divisors is an integer number (32780995577920).

Almost surely, 2^{131123121133033} is an apocalyptic number.

It is an amenable number.

131123121133033 is a deficient number, since it is larger than the sum of its proper divisors (861178647).

131123121133033 is an equidigital number, since it uses as much as digits as its factorization.

131123121133033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861178646.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 131123121133033 its reverse (330331121321131), we get a palindrome (461454242454164).

The spelling of 131123121133033 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, one hundred twenty-one million, one hundred thirty-three thousand, thirty-three".