131322332221031 has 32 divisors (see below), whose sum is σ = 153801586736640. Its totient is φ = 109799290613376.

The previous prime is 131322332221019. The next prime is 131322332221033. The reversal of 131322332221031 is 130122233223131.

It is not a de Polignac number, because 131322332221031 - 2³⁰ = 131321258479207 is a prime.

It is a super-2 number, since 2×131322332221031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131322332220985 and 131322332221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131322332221033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43099940 + ... + 46046166.

It is an arithmetic number, because the mean of its divisors is an integer number (4806299585520).

Almost surely, 2^{131322332221031} is an apocalyptic number.

131322332221031 is a deficient number, since it is larger than the sum of its proper divisors (22479254515609).

131322332221031 is a wasteful number, since it uses less digits than its factorization.

131322332221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946983.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 131322332221031 its reverse (130122233223131), we get a palindrome (261444565444162).

The spelling of 131322332221031 in words is "one hundred thirty-one trillion, three hundred twenty-two billion, three hundred thirty-two million, two hundred twenty-one thousand, thirty-one".