2011231203 has 8 divisors (see below), whose sum is σ = 2685788928. Its totient is φ = 1338747144.

The previous prime is 2011231199. The next prime is 2011231207. The reversal of 2011231203 is 3021321102.

It is an interprime number because it is at equal distance from previous prime (2011231199) and next prime (2011231207).

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

It is not a de Polignac number, because 2011231203 - 2² = 2011231199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011231207) 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, 516151 + ... + 520032.

It is an arithmetic number, because the mean of its divisors is an integer number (335723616).

Almost surely, 2^2011231203 is an apocalyptic number.

2011231203 is a deficient number, since it is larger than the sum of its proper divisors (674557725).

2011231203 is a wasteful number, since it uses less digits than its factorization.

2011231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036833.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2011231203 is about 44846.7524242280. The cubic root of 2011231203 is about 1262.2750538415.

Adding to 2011231203 its reverse (3021321102), we get a palindrome (5032552305).

It can be divided in two parts, 20112 and 31203, that added together give a palindrome (51315).

The spelling of 2011231203 in words is "two billion, eleven million, two hundred thirty-one thousand, two hundred three".