1113312320203 has 8 divisors (see below), whose sum is σ = 1151780834880. Its totient is φ = 1074849034560.

The previous prime is 1113312320143. The next prime is 1113312320231. The reversal of 1113312320203 is 3020232133111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113312320203 is a prime.

It is a super-2 number, since 2×1113312320203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113312320273) 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, 871618 + ... + 1728103.

It is an arithmetic number, because the mean of its divisors is an integer number (143972604360).

Almost surely, 2^{1113312320203} is an apocalyptic number.

1113312320203 is a deficient number, since it is larger than the sum of its proper divisors (38468514677).

1113312320203 is a wasteful number, since it uses less digits than its factorization.

1113312320203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614517.

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

Adding to 1113312320203 its reverse (3020232133111), we get a palindrome (4133544453314).

The spelling of 1113312320203 in words is "one trillion, one hundred thirteen billion, three hundred twelve million, three hundred twenty thousand, two hundred three".