442130131 has 8 divisors (see below), whose sum is σ = 454763024. Its totient is φ = 429533280.

The previous prime is 442130113. The next prime is 442130137. The reversal of 442130131 is 131031244.

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

It is a cyclic number.

It is not a de Polignac number, because 442130131 - 2⁹ = 442129619 is a prime.

It is a super-2 number, since 2×442130131² = 390958105476154322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442130099 and 442130108.

It is not an unprimeable number, because it can be changed into a prime (442130137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16921 + ... + 34213.

It is an arithmetic number, because the mean of its divisors is an integer number (56845378).

Almost surely, 2^442130131 is an apocalyptic number.

442130131 is a deficient number, since it is larger than the sum of its proper divisors (12632893).

442130131 is a wasteful number, since it uses less digits than its factorization.

442130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18021.

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

The square root of 442130131 is about 21026.8906640996. The cubic root of 442130131 is about 761.8159087350.

Adding to 442130131 its reverse (131031244), we get a palindrome (573161375).

The spelling of 442130131 in words is "four hundred forty-two million, one hundred thirty thousand, one hundred thirty-one".