1313201220133 has 4 divisors (see below), whose sum is σ = 1432583149248. Its totient is φ = 1193819291020.

The previous prime is 1313201220073. The next prime is 1313201220161. The reversal of 1313201220133 is 3310221023131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313201220133 - 2²⁹ = 1312664349221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313201220193) by changing a digit.

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, 59690964541 + ... + 59690964562.

It is an arithmetic number, because the mean of its divisors is an integer number (358145787312).

Almost surely, 2^{1313201220133} is an apocalyptic number.

It is an amenable number.

1313201220133 is a deficient number, since it is larger than the sum of its proper divisors (119381929115).

1313201220133 is a wasteful number, since it uses less digits than its factorization.

1313201220133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119381929114.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1313201220133 its reverse (3310221023131), we get a palindrome (4623422243264).

The spelling of 1313201220133 in words is "one trillion, three hundred thirteen billion, two hundred one million, two hundred twenty thousand, one hundred thirty-three".