131301442 has 8 divisors (see below), whose sum is σ = 197245116. Its totient is φ = 65553072.

The previous prime is 131301439. The next prime is 131301449. The reversal of 131301442 is 244103131.

It can be written as a sum of positive squares in 2 ways, for example, as 131079601 + 221841 = 11449^2 + 471^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131301449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47133 + ... + 49840.

Almost surely, 2^131301442 is an apocalyptic number.

131301442 is a deficient number, since it is larger than the sum of its proper divisors (65943674).

131301442 is an equidigital number, since it uses as much as digits as its factorization.

131301442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97652.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131301442 is about 11458.6841303877. The cubic root of 131301442 is about 508.2645639718.

Adding to 131301442 its reverse (244103131), we get a palindrome (375404573).

The spelling of 131301442 in words is "one hundred thirty-one million, three hundred one thousand, four hundred forty-two".