614243431 has 2 divisors, whose sum is σ = 614243432. Its totient is φ = 614243430.

The previous prime is 614243417. The next prime is 614243437. The reversal of 614243431 is 134342416.

614243431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 614243431 - 2⁹ = 614242919 is a prime.

It is a super-2 number, since 2×614243431² = 754589985053303522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 614243431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (614243437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307121715 + 307121716.

It is an arithmetic number, because the mean of its divisors is an integer number (307121716).

Almost surely, 2^614243431 is an apocalyptic number.

614243431 is a deficient number, since it is larger than the sum of its proper divisors (1).

614243431 is an equidigital number, since it uses as much as digits as its factorization.

614243431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 28.

The square root of 614243431 is about 24783.9349377777. The cubic root of 614243431 is about 850.0546359344.

Adding to 614243431 its reverse (134342416), we get a palindrome (748585847).

The spelling of 614243431 in words is "six hundred fourteen million, two hundred forty-three thousand, four hundred thirty-one".