131303301223233 has 4 divisors (see below), whose sum is σ = 175071068297648. Its totient is φ = 87535534148820.

The previous prime is 131303301223223. The next prime is 131303301223267. The reversal of 131303301223233 is 332322103303131.

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 131303301223233 - 2¹² = 131303301219137 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 131303301223233.

It is not an unprimeable number, because it can be changed into a prime (131303301223223) 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, 21883883537203 + ... + 21883883537208.

It is an arithmetic number, because the mean of its divisors is an integer number (43767767074412).

Almost surely, 2^{131303301223233} is an apocalyptic number.

It is an amenable number.

131303301223233 is a deficient number, since it is larger than the sum of its proper divisors (43767767074415).

131303301223233 is an equidigital number, since it uses as much as digits as its factorization.

131303301223233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43767767074414.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 131303301223233 its reverse (332322103303131), we get a palindrome (463625404526364).

The spelling of 131303301223233 in words is "one hundred thirty-one trillion, three hundred three billion, three hundred one million, two hundred twenty-three thousand, two hundred thirty-three".