10311300243 has 20 divisors (see below), whose sum is σ = 15455906928. Its totient is φ = 6850722960.

The previous prime is 10311300229. The next prime is 10311300253. The reversal of 10311300243 is 34200311301.

10311300243 is a `hidden beast` number, since 10 + 311 + 300 + 2 + 43 = 666.

It is not a de Polignac number, because 10311300243 - 2⁵ = 10311300211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10311300253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 193503 + ... + 240968.

Almost surely, 2^10311300243 is an apocalyptic number.

10311300243 is a deficient number, since it is larger than the sum of its proper divisors (5144606685).

10311300243 is an equidigital number, since it uses as much as digits as its factorization.

10311300243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434776 (or 434767 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10311300243 its reverse (34200311301), we get a palindrome (44511611544).

The spelling of 10311300243 in words is "ten billion, three hundred eleven million, three hundred thousand, two hundred forty-three".