1326312002 has 8 divisors (see below), whose sum is σ = 2009166012. Its totient is φ = 656590000.

The previous prime is 1326311999. The next prime is 1326312011. The reversal of 1326312002 is 2002136231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1243338121 + 82973881 = 35261^2 + 9109^2 .

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

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, 3282749 + ... + 3283152.

Almost surely, 2^1326312002 is an apocalyptic number.

1326312002 is a deficient number, since it is larger than the sum of its proper divisors (682854010).

1326312002 is a wasteful number, since it uses less digits than its factorization.

1326312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566004.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1326312002 is about 36418.5667208362. The cubic root of 1326312002 is about 1098.7070212786.

Adding to 1326312002 its reverse (2002136231), we get a palindrome (3328448233).

The spelling of 1326312002 in words is "one billion, three hundred twenty-six million, three hundred twelve thousand, two".