1000312442 has 8 divisors (see below), whose sum is σ = 1501335732. Its totient is φ = 499867200.

The previous prime is 1000312409. The next prime is 1000312447. The reversal of 1000312442 is 2442130001.

It can be written as a sum of positive squares in 2 ways, for example, as 935686921 + 64625521 = 30589^2 + 8039^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1000312442.

It is not an unprimeable number, because it can be changed into a prime (1000312447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140159 + ... + 147122.

Almost surely, 2^1000312442 is an apocalyptic number.

1000312442 is a deficient number, since it is larger than the sum of its proper divisors (501023290).

1000312442 is a wasteful number, since it uses less digits than its factorization.

1000312442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289024.

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

The square root of 1000312442 is about 31627.7163576506. The cubic root of 1000312442 is about 1000.1041364885.

Adding to 1000312442 its reverse (2442130001), we get a palindrome (3442442443).

The spelling of 1000312442 in words is "one billion, three hundred twelve thousand, four hundred forty-two".