11301231203 has 4 divisors (see below), whose sum is σ = 11302876200. Its totient is φ = 11299586208.

The previous prime is 11301231187. The next prime is 11301231209. The reversal of 11301231203 is 30213210311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30213210311 = 331 ⋅91278581.

It is a cyclic number.

It is not a de Polignac number, because 11301231203 - 2⁴ = 11301231187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11301231209) 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, 812150 + ... + 825947.

It is an arithmetic number, because the mean of its divisors is an integer number (2825719050).

Almost surely, 2^11301231203 is an apocalyptic number.

11301231203 is a deficient number, since it is larger than the sum of its proper divisors (1644997).

11301231203 is an equidigital number, since it uses as much as digits as its factorization.

11301231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644996.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11301231203 its reverse (30213210311), we get a palindrome (41514441514).

The spelling of 11301231203 in words is "eleven billion, three hundred one million, two hundred thirty-one thousand, two hundred three".