1313220033133 has 4 divisors (see below), whose sum is σ = 1314748811680. Its totient is φ = 1311691254588.

The previous prime is 1313220033127. The next prime is 1313220033193. The reversal of 1313220033133 is 3313300223131.

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 a de Polignac number, because none of the positive numbers 2^k-1313220033133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313220033098 and 1313220033107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313220033113) by changing a digit.

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, 764387985 + ... + 764389702.

It is an arithmetic number, because the mean of its divisors is an integer number (328687202920).

Almost surely, 2^{1313220033133} is an apocalyptic number.

It is an amenable number.

1313220033133 is a deficient number, since it is larger than the sum of its proper divisors (1528778547).

1313220033133 is an equidigital number, since it uses as much as digits as its factorization.

1313220033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528778546.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1313220033133 its reverse (3313300223131), we get a palindrome (4626520256264).

The spelling of 1313220033133 in words is "one trillion, three hundred thirteen billion, two hundred twenty million, thirty-three thousand, one hundred thirty-three".