2311032312203 has 4 divisors (see below), whose sum is σ = 2311086748560. Its totient is φ = 2310977875848.

The previous prime is 2311032312161. The next prime is 2311032312209. The reversal of 2311032312203 is 3022132301132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2311032312203 - 2²⁰ = 2311031263627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311032312209) 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, 27154448 + ... + 27239421.

It is an arithmetic number, because the mean of its divisors is an integer number (577771687140).

Almost surely, 2^{2311032312203} is an apocalyptic number.

2311032312203 is a deficient number, since it is larger than the sum of its proper divisors (54436357).

2311032312203 is an equidigital number, since it uses as much as digits as its factorization.

2311032312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54436356.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2311032312203 its reverse (3022132301132), we get a palindrome (5333164613335).

The spelling of 2311032312203 in words is "two trillion, three hundred eleven billion, thirty-two million, three hundred twelve thousand, two hundred three".