2311103231203 has 8 divisors (see below), whose sum is σ = 2492042904848. Its totient is φ = 2130615343584.

The previous prime is 2311103231197. The next prime is 2311103231221. The reversal of 2311103231203 is 3021323011132.

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

It is a de Polignac number, because none of the positive numbers 2^k-2311103231203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311103231273) 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, 112935876 + ... + 112956337.

It is an arithmetic number, because the mean of its divisors is an integer number (311505363106).

Almost surely, 2^{2311103231203} is an apocalyptic number.

2311103231203 is a deficient number, since it is larger than the sum of its proper divisors (180939673645).

2311103231203 is a wasteful number, since it uses less digits than its factorization.

2311103231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225893013.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2311103231203 its reverse (3021323011132), we get a palindrome (5332426242335).

The spelling of 2311103231203 in words is "two trillion, three hundred eleven billion, one hundred three million, two hundred thirty-one thousand, two hundred three".