131223122320333 has 8 divisors (see below), whose sum is σ = 131986886924448. Its totient is φ = 130459418055024.

The previous prime is 131223122320309. The next prime is 131223122320363. The reversal of 131223122320333 is 333023221322131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131223122320333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131223122320295 and 131223122320304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223122320363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10718835 + ... + 19425232.

It is an arithmetic number, because the mean of its divisors is an integer number (16498360865556).

Almost surely, 2^{131223122320333} is an apocalyptic number.

It is an amenable number.

131223122320333 is a deficient number, since it is larger than the sum of its proper divisors (763764604115).

131223122320333 is a wasteful number, since it uses less digits than its factorization.

131223122320333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30169403.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 131223122320333 its reverse (333023221322131), we get a palindrome (464246343642464).

The spelling of 131223122320333 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, one hundred twenty-two million, three hundred twenty thousand, three hundred thirty-three".