11312332203 has 4 divisors (see below), whose sum is σ = 15083109608. Its totient is φ = 7541554800.

The previous prime is 11312332201. The next prime is 11312332223. The reversal of 11312332203 is 30223321311.

11312332203 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: 30223321311 = 3 ⋅10074440437.

It is not a de Polignac number, because 11312332203 - 2¹ = 11312332201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11312332203.

It is not an unprimeable number, because it can be changed into a prime (11312332201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885388698 + ... + 1885388703.

It is an arithmetic number, because the mean of its divisors is an integer number (3770777402).

Almost surely, 2^11312332203 is an apocalyptic number.

11312332203 is a deficient number, since it is larger than the sum of its proper divisors (3770777405).

11312332203 is an equidigital number, since it uses as much as digits as its factorization.

11312332203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770777404.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11312332203 its reverse (30223321311), we get a palindrome (41535653514).

The spelling of 11312332203 in words is "eleven billion, three hundred twelve million, three hundred thirty-two thousand, two hundred three".