5440020031 has 2 divisors, whose sum is σ = 5440020032. Its totient is φ = 5440020030.

The previous prime is 5440020023. The next prime is 5440020049. The reversal of 5440020031 is 1300200445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5440020031 - 2³ = 5440020023 is a prime.

It is a super-3 number, since 3×5440020031³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 5440019990 and 5440020008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5440020331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720010015 + 2720010016.

It is an arithmetic number, because the mean of its divisors is an integer number (2720010016).

Almost surely, 2^5440020031 is an apocalyptic number.

5440020031 is a deficient number, since it is larger than the sum of its proper divisors (1).

5440020031 is an equidigital number, since it uses as much as digits as its factorization.

5440020031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5440020031 is about 73756.4914499056. The cubic root of 5440020031 is about 1758.7340275100.

Adding to 5440020031 its reverse (1300200445), we get a palindrome (6740220476).

The spelling of 5440020031 in words is "five billion, four hundred forty million, twenty thousand, thirty-one".