131323312333 has 4 divisors (see below), whose sum is σ = 131324216220. Its totient is φ = 131322408448.

The previous prime is 131323312331. The next prime is 131323312361. The reversal of 131323312333 is 333213323131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 28524845449 + 102798466884 = 168893^2 + 320622^2 .

It is a cyclic number.

It is not a de Polignac number, because 131323312333 - 2¹ = 131323312331 is a prime.

It is a super-2 number, since 2×131323312333² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131323312331) 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, 179110 + ... + 542887.

It is an arithmetic number, because the mean of its divisors is an integer number (32831054055).

Almost surely, 2^131323312333 is an apocalyptic number.

It is an amenable number.

131323312333 is a deficient number, since it is larger than the sum of its proper divisors (903887).

131323312333 is an equidigital number, since it uses as much as digits as its factorization.

131323312333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903886.

The product of its digits is 8748, while the sum is 28.

Adding to 131323312333 its reverse (333213323131), we get a palindrome (464536635464).

The spelling of 131323312333 in words is "one hundred thirty-one billion, three hundred twenty-three million, three hundred twelve thousand, three hundred thirty-three".