131324849 has 2 divisors, whose sum is σ = 131324850. Its totient is φ = 131324848.

The previous prime is 131324839. The next prime is 131324863. The reversal of 131324849 is 948423131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115777600 + 15547249 = 10760^2 + 3943^2 .

It is a cyclic number.

It is not a de Polignac number, because 131324849 - 2⁴ = 131324833 is a prime.

It is not a weakly prime, because it can be changed into another prime (131324839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65662424 + 65662425.

It is an arithmetic number, because the mean of its divisors is an integer number (65662425).

Almost surely, 2^131324849 is an apocalyptic number.

It is an amenable number.

131324849 is a deficient number, since it is larger than the sum of its proper divisors (1).

131324849 is an equidigital number, since it uses as much as digits as its factorization.

131324849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 131324849 is about 11459.7054499669. The cubic root of 131324849 is about 508.2947648124.

It can be divided in two parts, 1313 and 24849, that added together give a palindrome (26162).

The spelling of 131324849 in words is "one hundred thirty-one million, three hundred twenty-four thousand, eight hundred forty-nine".