1000442312 has 16 divisors (see below), whose sum is σ = 1921581900. Its totient is φ = 488020480.

The previous prime is 1000442309. The next prime is 1000442341. The reversal of 1000442312 is 2132440001.

It can be written as a sum of positive squares in 2 ways, for example, as 998939236 + 1503076 = 31606^2 + 1226^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524737 + ... + 1525392.

Almost surely, 2^1000442312 is an apocalyptic number.

It is an amenable number.

1000442312 is a deficient number, since it is larger than the sum of its proper divisors (921139588).

1000442312 is a wasteful number, since it uses less digits than its factorization.

1000442312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050176 (or 3050172 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1000442312 is about 31629.7693953023. The cubic root of 1000442312 is about 1000.1474156009.

Adding to 1000442312 its reverse (2132440001), we get a palindrome (3132882313).

The spelling of 1000442312 in words is "one billion, four hundred forty-two thousand, three hundred twelve".