1313133012203 has 4 divisors (see below), whose sum is σ = 1370225751888. Its totient is φ = 1256040272520.

The previous prime is 1313133012199. The next prime is 1313133012209. The reversal of 1313133012203 is 3022103313131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313133012203 - 2² = 1313133012199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 57092739661 = 1313133012203 / (1 + 3 + 1 + 3 + 1 + 3 + 3 + 0 + 1 + 2 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313133012209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28546369808 + ... + 28546369853.

It is an arithmetic number, because the mean of its divisors is an integer number (342556437972).

Almost surely, 2^{1313133012203} is an apocalyptic number.

1313133012203 is a deficient number, since it is larger than the sum of its proper divisors (57092739685).

1313133012203 is an equidigital number, since it uses as much as digits as its factorization.

1313133012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57092739684.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1313133012203 its reverse (3022103313131), we get a palindrome (4335236325334).

The spelling of 1313133012203 in words is "one trillion, three hundred thirteen billion, one hundred thirty-three million, twelve thousand, two hundred three".