20003112311 has 8 divisors (see below), whose sum is σ = 24619215264. Its totient is φ = 15826638240.

The previous prime is 20003112229. The next prime is 20003112313. The reversal of 20003112311 is 11321130002.

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

It is not a de Polignac number, because 20003112311 - 2¹⁴ = 20003095927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003112313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109907120 + ... + 109907301.

It is an arithmetic number, because the mean of its divisors is an integer number (3077401908).

Almost surely, 2^20003112311 is an apocalyptic number.

20003112311 is a deficient number, since it is larger than the sum of its proper divisors (4616102953).

20003112311 is a wasteful number, since it uses less digits than its factorization.

20003112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219814441.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20003112311 its reverse (11321130002), we get a palindrome (31324242313).

The spelling of 20003112311 in words is "twenty billion, three million, one hundred twelve thousand, three hundred eleven".