2040340231031 has 12 divisors (see below), whose sum is σ = 2154656578200. Its totient is φ = 1926736881840.

The previous prime is 2040340231001. The next prime is 2040340231043. The reversal of 2040340231031 is 1301320430402.

It is not a de Polignac number, because 2040340231031 - 2¹⁰ = 2040340230007 is a prime.

It is a super-2 number, since 2×2040340231031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2040340230988 and 2040340231006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040340231001) 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 11 ways as a sum of consecutive naturals, for example, 1282565 + ... + 2392833.

It is an arithmetic number, because the mean of its divisors is an integer number (179554714850).

Almost surely, 2^{2040340231031} is an apocalyptic number.

2040340231031 is a deficient number, since it is larger than the sum of its proper divisors (114316347169).

2040340231031 is an equidigital number, since it uses as much as digits as its factorization.

2040340231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110910 (or 1110599 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2040340231031 its reverse (1301320430402), we get a palindrome (3341660661433).

The spelling of 2040340231031 in words is "two trillion, forty billion, three hundred forty million, two hundred thirty-one thousand, thirty-one".