131331331003233 has 4 divisors (see below), whose sum is σ = 175108441337648. Its totient is φ = 87554220668820.

The previous prime is 131331331003231. The next prime is 131331331003247. The reversal of 131331331003233 is 332300133133131.

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 not a de Polignac number, because 131331331003233 - 2¹ = 131331331003231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131331331003233.

It is not an unprimeable number, because it can be changed into a prime (131331331003231) 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, 21888555167203 + ... + 21888555167208.

It is an arithmetic number, because the mean of its divisors is an integer number (43777110334412).

Almost surely, 2^{131331331003233} is an apocalyptic number.

It is an amenable number.

131331331003233 is a deficient number, since it is larger than the sum of its proper divisors (43777110334415).

131331331003233 is an equidigital number, since it uses as much as digits as its factorization.

131331331003233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43777110334414.

The product of its (nonzero) digits is 13122, while the sum is 30.

Adding to 131331331003233 its reverse (332300133133131), we get a palindrome (463631464136364).

The spelling of 131331331003233 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, three hundred thirty-one million, three thousand, two hundred thirty-three".