614021431 has 2 divisors, whose sum is σ = 614021432. Its totient is φ = 614021430.

The previous prime is 614021399. The next prime is 614021477. The reversal of 614021431 is 134120416.

614021431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 614021431 - 2⁵ = 614021399 is a prime.

It is a super-2 number, since 2×614021431² = 754044635454575522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (614021491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307010715 + 307010716.

It is an arithmetic number, because the mean of its divisors is an integer number (307010716).

Almost surely, 2^614021431 is an apocalyptic number.

614021431 is a deficient number, since it is larger than the sum of its proper divisors (1).

614021431 is an equidigital number, since it uses as much as digits as its factorization.

614021431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 614021431 is about 24779.4558253405. The cubic root of 614021431 is about 849.9522146147.

Adding to 614021431 its reverse (134120416), we get a palindrome (748141847).

The spelling of 614021431 in words is "six hundred fourteen million, twenty-one thousand, four hundred thirty-one".