545324531131 has 2 divisors, whose sum is σ = 545324531132. Its totient is φ = 545324531130.

The previous prime is 545324531111. The next prime is 545324531189. The reversal of 545324531131 is 131135423545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545324531131 - 2¹¹ = 545324529083 is a prime.

It is a super-2 number, since 2×545324531131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545324531111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272662265565 + 272662265566.

It is an arithmetic number, because the mean of its divisors is an integer number (272662265566).

Almost surely, 2^545324531131 is an apocalyptic number.

545324531131 is a deficient number, since it is larger than the sum of its proper divisors (1).

545324531131 is an equidigital number, since it uses as much as digits as its factorization.

545324531131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 37.

Adding to 545324531131 its reverse (131135423545), we get a palindrome (676459954676).

The spelling of 545324531131 in words is "five hundred forty-five billion, three hundred twenty-four million, five hundred thirty-one thousand, one hundred thirty-one".