442055031 has 8 divisors (see below), whose sum is σ = 642989184. Its totient is φ = 267912120.

The previous prime is 442055027. The next prime is 442055057. The reversal of 442055031 is 130550244.

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

It is not a de Polignac number, because 442055031 - 2² = 442055027 is a prime.

It is a super-2 number, since 2×442055031² = 390825300864821922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442054992 and 442055010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442055231) 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, 6697771 + ... + 6697836.

It is an arithmetic number, because the mean of its divisors is an integer number (80373648).

Almost surely, 2^442055031 is an apocalyptic number.

442055031 is a deficient number, since it is larger than the sum of its proper divisors (200934153).

442055031 is a wasteful number, since it uses less digits than its factorization.

442055031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13395621.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 442055031 is about 21025.1047797627. The cubic root of 442055031 is about 761.7727724045.

The spelling of 442055031 in words is "four hundred forty-two million, fifty-five thousand, thirty-one".