1023313203113 has 4 divisors (see below), whose sum is σ = 1023318750720. Its totient is φ = 1023307655508.

The previous prime is 1023313203091. The next prime is 1023313203251. The reversal of 1023313203113 is 3113023133201.

1023313203113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1023313203113 - 2¹² = 1023313199017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023313203313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2487245 + ... + 2869322.

It is an arithmetic number, because the mean of its divisors is an integer number (255829687680).

Almost surely, 2^{1023313203113} is an apocalyptic number.

It is an amenable number.

1023313203113 is a deficient number, since it is larger than the sum of its proper divisors (5547607).

1023313203113 is an equidigital number, since it uses as much as digits as its factorization.

1023313203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547606.

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

Adding to 1023313203113 its reverse (3113023133201), we get a palindrome (4136336336314).

The spelling of 1023313203113 in words is "one trillion, twenty-three billion, three hundred thirteen million, two hundred three thousand, one hundred thirteen".