131221313333033 has 16 divisors (see below), whose sum is σ = 163602989979264. Its totient is φ = 102248879314560.

The previous prime is 131221313333027. The next prime is 131221313333041. The reversal of 131221313333033 is 330333313122131.

It is not a de Polignac number, because 131221313333033 - 2¹⁴ = 131221313316649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131221313333053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7139660 + ... + 17703597.

It is an arithmetic number, because the mean of its divisors is an integer number (10225186873704).

Almost surely, 2^{131221313333033} is an apocalyptic number.

It is an amenable number.

131221313333033 is a deficient number, since it is larger than the sum of its proper divisors (32381676646231).

131221313333033 is a wasteful number, since it uses less digits than its factorization.

131221313333033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24911872.

The product of its (nonzero) digits is 26244, while the sum is 32.

Adding to 131221313333033 its reverse (330333313122131), we get a palindrome (461554626455164).

The spelling of 131221313333033 in words is "one hundred thirty-one trillion, two hundred twenty-one billion, three hundred thirteen million, three hundred thirty-three thousand, thirty-three".