1000442131 has 16 divisors (see below), whose sum is σ = 1137203200. Its totient is φ = 872490528.

The previous prime is 1000442123. The next prime is 1000442159. The reversal of 1000442131 is 1312440001.

It is not a de Polignac number, because 1000442131 - 2³ = 1000442123 is a prime.

It is a super-2 number, since 2×1000442131² = 2001768914959642322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000442161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88270 + ... + 98956.

It is an arithmetic number, because the mean of its divisors is an integer number (71075200).

Almost surely, 2^1000442131 is an apocalyptic number.

1000442131 is a deficient number, since it is larger than the sum of its proper divisors (136761069).

1000442131 is a wasteful number, since it uses less digits than its factorization.

1000442131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11098.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1000442131 is about 31629.7665340736. The cubic root of 1000442131 is about 1000.1473552854.

Adding to 1000442131 its reverse (1312440001), we get a palindrome (2312882132).

The spelling of 1000442131 in words is "one billion, four hundred forty-two thousand, one hundred thirty-one".