1313404623502 has 8 divisors (see below), whose sum is σ = 1970113608216. Its totient is φ = 656700087432.

The previous prime is 1313404623403. The next prime is 1313404623521. The reversal of 1313404623502 is 2053264043131.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 236028 + ... + 1637839.

It is an arithmetic number, because the mean of its divisors is an integer number (246264201027).

Almost surely, 2^{1313404623502} is an apocalyptic number.

1313404623502 is a deficient number, since it is larger than the sum of its proper divisors (656708984714).

1313404623502 is a wasteful number, since it uses less digits than its factorization.

1313404623502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224322.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 1313404623502 its reverse (2053264043131), we get a palindrome (3366668666633).

The spelling of 1313404623502 in words is "one trillion, three hundred thirteen billion, four hundred four million, six hundred twenty-three thousand, five hundred two".