1001312002 has 8 divisors (see below), whose sum is σ = 1590319116. Its totient is φ = 471205632.

The previous prime is 1001311973. The next prime is 1001312009. The reversal of 1001312002 is 2002131001.

It can be written as a sum of positive squares in 2 ways, for example, as 913308841 + 88003161 = 30221^2 + 9381^2 .

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 1001312002.

It is not an unprimeable number, because it can be changed into a prime (1001312009) 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 3 ways as a sum of consecutive naturals, for example, 14725143 + ... + 14725210.

Almost surely, 2^1001312002 is an apocalyptic number.

1001312002 is a deficient number, since it is larger than the sum of its proper divisors (589007114).

1001312002 is a wasteful number, since it uses less digits than its factorization.

1001312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29450372.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1001312002 is about 31643.5143749869. The cubic root of 1001312002 is about 1000.4371428783.

Adding to 1001312002 its reverse (2002131001), we get a palindrome (3003443003).

The spelling of 1001312002 in words is "one billion, one million, three hundred twelve thousand, two".