20113231300003 has 4 divisors (see below), whose sum is σ = 20367829164640. Its totient is φ = 19858633435368.

The previous prime is 20113231299989. The next prime is 20113231300033. The reversal of 20113231300003 is 30000313231102.

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-20113231300003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20113231300033) 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, 127298932200 + ... + 127298932357.

It is an arithmetic number, because the mean of its divisors is an integer number (5091957291160).

Almost surely, 2^{20113231300003} is an apocalyptic number.

20113231300003 is a deficient number, since it is larger than the sum of its proper divisors (254597864637).

20113231300003 is an equidigital number, since it uses as much as digits as its factorization.

20113231300003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254597864636.

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

Adding to 20113231300003 its reverse (30000313231102), we get a palindrome (50113544531105).

The spelling of 20113231300003 in words is "twenty trillion, one hundred thirteen billion, two hundred thirty-one million, three hundred thousand, three".