131321021033323 has 8 divisors (see below), whose sum is σ = 143261203316976. Its totient is φ = 119381156690400.

The previous prime is 131321021033303. The next prime is 131321021033351. The reversal of 131321021033323 is 323330120123131.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-131321021033323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131321021033291 and 131321021033300.

It is not an unprimeable number, because it can be changed into a prime (131321021033303) 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, 78621148 + ... + 80274073.

It is an arithmetic number, because the mean of its divisors is an integer number (17907650414622).

Almost surely, 2^{131321021033323} is an apocalyptic number.

131321021033323 is a deficient number, since it is larger than the sum of its proper divisors (11940182283653).

131321021033323 is a wasteful number, since it uses less digits than its factorization.

131321021033323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158970365.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 131321021033323 its reverse (323330120123131), we get a palindrome (454651141156454).

The spelling of 131321021033323 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, twenty-one million, thirty-three thousand, three hundred twenty-three".