131324521511 has 2 divisors, whose sum is σ = 131324521512. Its totient is φ = 131324521510.

The previous prime is 131324521483. The next prime is 131324521543. The reversal of 131324521511 is 115125423131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131324521511 - 2¹⁴ = 131324505127 is a prime.

It is a super-2 number, since 2×131324521511² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131324521411) 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, 65662260755 + 65662260756.

It is an arithmetic number, because the mean of its divisors is an integer number (65662260756).

Almost surely, 2^131324521511 is an apocalyptic number.

131324521511 is a deficient number, since it is larger than the sum of its proper divisors (1).

131324521511 is an equidigital number, since it uses as much as digits as its factorization.

131324521511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

Adding to 131324521511 its reverse (115125423131), we get a palindrome (246449944642).

The spelling of 131324521511 in words is "one hundred thirty-one billion, three hundred twenty-four million, five hundred twenty-one thousand, five hundred eleven".