20340001110031 has 4 divisors (see below), whose sum is σ = 20391235370152. Its totient is φ = 20288766849912.

The previous prime is 20340001110029. The next prime is 20340001110043. The reversal of 20340001110031 is 13001110004302.

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 20340001110031 - 2¹ = 20340001110029 is a prime.

It is a super-2 number, since 2×20340001110031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20340001109987 and 20340001110014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340001110071) 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, 25617129465 + ... + 25617130258.

It is an arithmetic number, because the mean of its divisors is an integer number (5097808842538).

Almost surely, 2^{20340001110031} is an apocalyptic number.

20340001110031 is a deficient number, since it is larger than the sum of its proper divisors (51234260121).

20340001110031 is an equidigital number, since it uses as much as digits as its factorization.

20340001110031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51234260120.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20340001110031 its reverse (13001110004302), we get a palindrome (33341111114333).

The spelling of 20340001110031 in words is "twenty trillion, three hundred forty billion, one million, one hundred ten thousand, thirty-one".