220311112403 has 4 divisors (see below), whose sum is σ = 220355153208. Its totient is φ = 220267071600.

The previous prime is 220311112379. The next prime is 220311112423. The reversal of 220311112403 is 304211113022.

220311112403 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 an emirpimes, since its reverse is a distinct semiprime: 304211113022 = 2 ⋅152105556511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220311112403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220311112423) 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, 22012898 + ... + 22022903.

It is an arithmetic number, because the mean of its divisors is an integer number (55088788302).

Almost surely, 2^220311112403 is an apocalyptic number.

220311112403 is a deficient number, since it is larger than the sum of its proper divisors (44040805).

220311112403 is an equidigital number, since it uses as much as digits as its factorization.

220311112403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44040804.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 220311112403 its reverse (304211113022), we get a palindrome (524522225425).

The spelling of 220311112403 in words is "two hundred twenty billion, three hundred eleven million, one hundred twelve thousand, four hundred three".