1313003311002 has 24 divisors (see below), whose sum is σ = 2844864630036. Its totient is φ = 437664059136.

The previous prime is 1313003310991. The next prime is 1313003311007. The reversal of 1313003311002 is 2001133003131.

It is a happy number.

1313003311002 is a `hidden beast` number, since 1 + 31 + 300 + 331 + 1 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 924349567761 + 388653743241 = 961431^2 + 623421^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1313003311007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2624778 + ... + 3084714.

Almost surely, 2^{1313003311002} is an apocalyptic number.

1313003311002 is an abundant number, since it is smaller than the sum of its proper divisors (1531861319034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313003311002 is a wasteful number, since it uses less digits than its factorization.

1313003311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618542 (or 618539 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1313003311002 its reverse (2001133003131), we get a palindrome (3314136314133).

The spelling of 1313003311002 in words is "one trillion, three hundred thirteen billion, three million, three hundred eleven thousand, two".