1313622205204 has 12 divisors (see below), whose sum is σ = 2304748473300. Its totient is φ = 655122641408.

The previous prime is 1313622205127. The next prime is 1313622205211. The reversal of 1313622205204 is 4025022263131.

It can be written as a sum of positive squares in 2 ways, for example, as 767060672400 + 546561532804 = 875820^2 + 739298^2 .

It is a congruent number.

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, 422113549 + ... + 422116660.

It is an arithmetic number, because the mean of its divisors is an integer number (192062372775).

Almost surely, 2^{1313622205204} is an apocalyptic number.

It is an amenable number.

1313622205204 is a deficient number, since it is larger than the sum of its proper divisors (991126268096).

1313622205204 is a wasteful number, since it uses less digits than its factorization.

1313622205204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844230602 (or 844230600 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1313622205204 its reverse (4025022263131), we get a palindrome (5338644468335).

The spelling of 1313622205204 in words is "one trillion, three hundred thirteen billion, six hundred twenty-two million, two hundred five thousand, two hundred four".