131324522305 has 8 divisors (see below), whose sum is σ = 158500349352. Its totient is φ = 104452336128.

The previous prime is 131324522267. The next prime is 131324522309. The reversal of 131324522305 is 503225423131.

It can be written as a sum of positive squares in 4 ways, for example, as 44347305744 + 86977216561 = 210588^2 + 294919^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 131324522305 - 2⁷ = 131324522177 is a prime.

It is a super-2 number, since 2×131324522305² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131324522309) 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 in 7 ways as a sum of consecutive naturals, for example, 75909264 + ... + 75910993.

It is an arithmetic number, because the mean of its divisors is an integer number (19812543669).

Almost surely, 2^131324522305 is an apocalyptic number.

It is an amenable number.

131324522305 is a deficient number, since it is larger than the sum of its proper divisors (27175827047).

131324522305 is a wasteful number, since it uses less digits than its factorization.

131324522305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151820435.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 131324522305 its reverse (503225423131), we get a palindrome (634549945436).

The spelling of 131324522305 in words is "one hundred thirty-one billion, three hundred twenty-four million, five hundred twenty-two thousand, three hundred five".