2031144013111 has 4 divisors (see below), whose sum is σ = 2031149639232. Its totient is φ = 2031138386992.

The previous prime is 2031144013109. The next prime is 2031144013181. The reversal of 2031144013111 is 1113104411302.

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 2031144013111 - 2¹ = 2031144013109 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 (2031144013181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231446 + ... + 3006931.

It is an arithmetic number, because the mean of its divisors is an integer number (507787409808).

Almost surely, 2^{2031144013111} is an apocalyptic number.

2031144013111 is a deficient number, since it is larger than the sum of its proper divisors (5626121).

2031144013111 is an equidigital number, since it uses as much as digits as its factorization.

2031144013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626120.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 2031144013111 its reverse (1113104411302), we get a palindrome (3144248424413).

The spelling of 2031144013111 in words is "two trillion, thirty-one billion, one hundred forty-four million, thirteen thousand, one hundred eleven".