20110031039999 has 4 divisors (see below), whose sum is σ = 20110040307936. Its totient is φ = 20110021772064.

The previous prime is 20110031039977. The next prime is 20110031040079. The reversal of 20110031039999 is 99993013001102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20110031039999 - 2³⁶ = 20041311563263 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 (20110031029999) 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, 565367 + ... + 6367079.

It is an arithmetic number, because the mean of its divisors is an integer number (5027510076984).

Almost surely, 2^{20110031039999} is an apocalyptic number.

20110031039999 is a deficient number, since it is larger than the sum of its proper divisors (9267937).

20110031039999 is an equidigital number, since it uses as much as digits as its factorization.

20110031039999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267936.

The product of its (nonzero) digits is 118098, while the sum is 47.

The spelling of 20110031039999 in words is "twenty trillion, one hundred ten billion, thirty-one million, thirty-nine thousand, nine hundred ninety-nine".