2040123131 has 16 divisors (see below), whose sum is σ = 2238223104. Its totient is φ = 1851623424.

The previous prime is 2040123091. The next prime is 2040123191. The reversal of 2040123131 is 1313210402.

It is not a de Polignac number, because 2040123131 - 2⁶ = 2040123067 is a prime.

It is a super-2 number, since 2×2040123131² = 8324204779282486322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040123191) 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, 56726 + ... + 85428.

It is an arithmetic number, because the mean of its divisors is an integer number (139888944).

Almost surely, 2^2040123131 is an apocalyptic number.

2040123131 is a deficient number, since it is larger than the sum of its proper divisors (198099973).

2040123131 is a wasteful number, since it uses less digits than its factorization.

2040123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28870.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2040123131 is about 45167.7222250580. The cubic root of 2040123131 is about 1268.2906573537.

Adding to 2040123131 its reverse (1313210402), we get a palindrome (3353333533).

The spelling of 2040123131 in words is "two billion, forty million, one hundred twenty-three thousand, one hundred thirty-one".