131322032213 has 2 divisors, whose sum is σ = 131322032214. Its totient is φ = 131322032212.

The previous prime is 131322032203. The next prime is 131322032221. The reversal of 131322032213 is 312230223131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107008802884 + 24313229329 = 327122^2 + 155927^2 .

It is a cyclic number.

It is not a de Polignac number, because 131322032213 - 2¹⁰ = 131322031189 is a prime.

It is a super-2 number, since 2×131322032213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131322032203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65661016106 + 65661016107.

It is an arithmetic number, because the mean of its divisors is an integer number (65661016107).

Almost surely, 2^131322032213 is an apocalyptic number.

It is an amenable number.

131322032213 is a deficient number, since it is larger than the sum of its proper divisors (1).

131322032213 is an equidigital number, since it uses as much as digits as its factorization.

131322032213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131322032213 its reverse (312230223131), we get a palindrome (443552255344).

The spelling of 131322032213 in words is "one hundred thirty-one billion, three hundred twenty-two million, thirty-two thousand, two hundred thirteen".