131325442 has 16 divisors (see below), whose sum is σ = 208949112. Its totient is φ = 61689600.

The previous prime is 131325433. The next prime is 131325443. The reversal of 131325442 is 244523131.

It can be written as a sum of positive squares in 4 ways, for example, as 95433361 + 35892081 = 9769^2 + 5991^2 .

It is not an unprimeable number, because it can be changed into a prime (131325443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17692 + ... + 23992.

Almost surely, 2^131325442 is an apocalyptic number.

131325442 is a deficient number, since it is larger than the sum of its proper divisors (77623670).

131325442 is a wasteful number, since it uses less digits than its factorization.

131325442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6933.

The product of its digits is 2880, while the sum is 25.

The square root of 131325442 is about 11459.7313232030. The cubic root of 131325442 is about 508.2955298830.

Adding to 131325442 its reverse (244523131), we get a palindrome (375848573).

The spelling of 131325442 in words is "one hundred thirty-one million, three hundred twenty-five thousand, four hundred forty-two".