442030131 has 6 divisors (see below), whose sum is σ = 638487980. Its totient is φ = 294686748.

The previous prime is 442030103. The next prime is 442030139. The reversal of 442030131 is 131030244.

It is not a de Polignac number, because 442030131 - 2¹³ = 442021939 is a prime.

It is a super-2 number, since 2×442030131² = 390781273423754322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442030139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24557221 + ... + 24557238.

Almost surely, 2^442030131 is an apocalyptic number.

442030131 is a deficient number, since it is larger than the sum of its proper divisors (196457849).

442030131 is a wasteful number, since it uses less digits than its factorization.

442030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49114465 (or 49114462 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 442030131 is about 21024.5126221751. The cubic root of 442030131 is about 761.7584691339.

Adding to 442030131 its reverse (131030244), we get a palindrome (573060375).

The spelling of 442030131 in words is "four hundred forty-two million, thirty thousand, one hundred thirty-one".