10311323203 has 4 divisors (see below), whose sum is σ = 10312618680. Its totient is φ = 10310027728.

The previous prime is 10311323179. The next prime is 10311323287. The reversal of 10311323203 is 30232311301.

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 10311323203 - 2⁹ = 10311322691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10311323303) 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, 635725 + ... + 651742.

It is an arithmetic number, because the mean of its divisors is an integer number (2578154670).

Almost surely, 2^10311323203 is an apocalyptic number.

10311323203 is a deficient number, since it is larger than the sum of its proper divisors (1295477).

10311323203 is an equidigital number, since it uses as much as digits as its factorization.

10311323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295476.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 10311323203 its reverse (30232311301), we get a palindrome (40543634504).

The spelling of 10311323203 in words is "ten billion, three hundred eleven million, three hundred twenty-three thousand, two hundred three".