1313021301208 has 16 divisors (see below), whose sum is σ = 2480708185560. Its totient is φ = 651499118400.

The previous prime is 1313021301199. The next prime is 1313021301239. The reversal of 1313021301208 is 8021031203131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626440413 + ... + 626442508.

Almost surely, 2^{1313021301208} is an apocalyptic number.

It is an amenable number.

1313021301208 is a deficient number, since it is larger than the sum of its proper divisors (1167686884352).

1313021301208 is a wasteful number, since it uses less digits than its factorization.

1313021301208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252883058 (or 1252883054 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1313021301208 its reverse (8021031203131), we get a palindrome (9334052504339).

The spelling of 1313021301208 in words is "one trillion, three hundred thirteen billion, twenty-one million, three hundred one thousand, two hundred eight".