20111341144031 has 16 divisors (see below), whose sum is σ = 21046611775680. Its totient is φ = 19181217242880.

The previous prime is 20111341144009. The next prime is 20111341144039. The reversal of 20111341144031 is 13044114311102.

It is a cyclic number.

It is not a de Polignac number, because 20111341144031 - 2⁶ = 20111341143967 is a prime.

It is a super-2 number, since 2×20111341144031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111341144039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11010185 + ... + 12706173.

It is an arithmetic number, because the mean of its divisors is an integer number (1315413235980).

Almost surely, 2^{20111341144031} is an apocalyptic number.

20111341144031 is a deficient number, since it is larger than the sum of its proper divisors (935270631649).

20111341144031 is a wasteful number, since it uses less digits than its factorization.

20111341144031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697506.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 20111341144031 its reverse (13044114311102), we get a palindrome (33155455455133).

The spelling of 20111341144031 in words is "twenty trillion, one hundred eleven billion, three hundred forty-one million, one hundred forty-four thousand, thirty-one".