1313320233213 has 8 divisors (see below), whose sum is σ = 1945659604800. Its totient is φ = 875546822124.

The previous prime is 1313320233209. The next prime is 1313320233233. The reversal of 1313320233213 is 3123320233131.

1313320233213 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 320 + 2 + 332 + 1 + 3 = 666.

It is not a de Polignac number, because 1313320233213 - 2² = 1313320233209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 48641490119 = 1313320233213 / (1 + 3 + 1 + 3 + 3 + 2 + 0 + 2 + 3 + 3 + 2 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313320233233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24320745033 + ... + 24320745086.

It is an arithmetic number, because the mean of its divisors is an integer number (243207450600).

Almost surely, 2^{1313320233213} is an apocalyptic number.

It is an amenable number.

1313320233213 is a deficient number, since it is larger than the sum of its proper divisors (632339371587).

1313320233213 is an equidigital number, since it uses as much as digits as its factorization.

1313320233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48641490128 (or 48641490122 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1313320233213 its reverse (3123320233131), we get a palindrome (4436640466344).

The spelling of 1313320233213 in words is "one trillion, three hundred thirteen billion, three hundred twenty million, two hundred thirty-three thousand, two hundred thirteen".