131321221322133 has 16 divisors (see below), whose sum is σ = 180215644416192. Its totient is φ = 85007379408000.

The previous prime is 131321221322113. The next prime is 131321221322171. The reversal of 131321221322133 is 331223122123131.

It is a happy number.

It is not a de Polignac number, because 131321221322133 - 2⁶ = 131321221322069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131321221322133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321221322113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2529955578 + ... + 2530007483.

It is an arithmetic number, because the mean of its divisors is an integer number (11263477776012).

Almost surely, 2^{131321221322133} is an apocalyptic number.

It is an amenable number.

131321221322133 is a deficient number, since it is larger than the sum of its proper divisors (48894423094059).

131321221322133 is a wasteful number, since it uses less digits than its factorization.

131321221322133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059963316.

The product of its digits is 7776, while the sum is 30.

Adding to 131321221322133 its reverse (331223122123131), we get a palindrome (462544343445264).

The spelling of 131321221322133 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred twenty-two thousand, one hundred thirty-three".