3031240423 has 2 divisors, whose sum is σ = 3031240424. Its totient is φ = 3031240422.

The previous prime is 3031240391. The next prime is 3031240439. The reversal of 3031240423 is 3240421303.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3031240423 - 2⁵ = 3031240391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3031240394 and 3031240403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3031240483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515620211 + 1515620212.

It is an arithmetic number, because the mean of its divisors is an integer number (1515620212).

Almost surely, 2^3031240423 is an apocalyptic number.

3031240423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031240423 is an equidigital number, since it uses as much as digits as its factorization.

3031240423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3031240423 is about 55056.7018899607. The cubic root of 3031240423 is about 1447.2385688663.

Adding to 3031240423 its reverse (3240421303), we get a palindrome (6271661726).

The spelling of 3031240423 in words is "three billion, thirty-one million, two hundred forty thousand, four hundred twenty-three".