1313321322002 has 8 divisors (see below), whose sum is σ = 2037912396300. Its totient is φ = 634017189904.

The previous prime is 1313321321933. The next prime is 1313321322013. The reversal of 1313321322002 is 2002231233131.

It can be written as a sum of positive squares in 2 ways, for example, as 1131093933841 + 182227388161 = 1063529^2 + 426881^2 .

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, 11321735477 + ... + 11321735592.

Almost surely, 2^{1313321322002} is an apocalyptic number.

1313321322002 is a deficient number, since it is larger than the sum of its proper divisors (724591074298).

1313321322002 is a wasteful number, since it uses less digits than its factorization.

1313321322002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22643471100.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1313321322002 its reverse (2002231233131), we get a palindrome (3315552555133).

The spelling of 1313321322002 in words is "one trillion, three hundred thirteen billion, three hundred twenty-one million, three hundred twenty-two thousand, two".