2311231023103 has 4 divisors (see below), whose sum is σ = 2324142928440. Its totient is φ = 2298319117768.

The previous prime is 2311231023077. The next prime is 2311231023109. The reversal of 2311231023103 is 3013201321132.

2311231023103 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311231023103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311231023109) 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, 6455952400 + ... + 6455952757.

It is an arithmetic number, because the mean of its divisors is an integer number (581035732110).

Almost surely, 2^{2311231023103} is an apocalyptic number.

2311231023103 is a deficient number, since it is larger than the sum of its proper divisors (12911905337).

2311231023103 is a wasteful number, since it uses less digits than its factorization.

2311231023103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911905336.

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

Adding to 2311231023103 its reverse (3013201321132), we get a palindrome (5324432344235).

The spelling of 2311231023103 in words is "two trillion, three hundred eleven billion, two hundred thirty-one million, twenty-three thousand, one hundred three".