1313203313124 has 36 divisors (see below), whose sum is σ = 3321264301264. Its totient is φ = 437499956592.

The previous prime is 1313203313117. The next prime is 1313203313137. The reversal of 1313203313124 is 4213133023131.

1313203313124 is a `hidden beast` number, since 1 + 3 + 1 + 320 + 3 + 313 + 1 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9701902 + ... + 9836325.

Almost surely, 2^{1313203313124} is an apocalyptic number.

It is an amenable number.

1313203313124 is an abundant number, since it is smaller than the sum of its proper divisors (2008060988140).

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

1313203313124 is a wasteful number, since it uses less digits than its factorization.

1313203313124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19540104 (or 19540099 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 1313203313124 its reverse (4213133023131), we get a palindrome (5526336336255).

The spelling of 1313203313124 in words is "one trillion, three hundred thirteen billion, two hundred three million, three hundred thirteen thousand, one hundred twenty-four".