2040442031 has 2 divisors, whose sum is σ = 2040442032. Its totient is φ = 2040442030.

The previous prime is 2040442007. The next prime is 2040442057. The reversal of 2040442031 is 1302440402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2040442031 - 2⁶ = 2040441967 is a prime.

It is a super-2 number, since 2×2040442031² = 8326807363742809922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2040441994 and 2040442012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040442081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020221015 + 1020221016.

It is an arithmetic number, because the mean of its divisors is an integer number (1020221016).

Almost surely, 2^2040442031 is an apocalyptic number.

2040442031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040442031 is an equidigital number, since it uses as much as digits as its factorization.

2040442031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2040442031 is about 45171.2522629161. The cubic root of 2040442031 is about 1268.3567378126.

Adding to 2040442031 its reverse (1302440402), we get a palindrome (3342882433).

The spelling of 2040442031 in words is "two billion, forty million, four hundred forty-two thousand, thirty-one".