4319431 has 2 divisors, whose sum is σ = 4319432. Its totient is φ = 4319430.

The previous prime is 4319407. The next prime is 4319453. The reversal of 4319431 is 1349134.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4319431 - 2⁷ = 4319303 is a prime.

It is a super-2 number, since 2×4319431² = 37314968327522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4319396 and 4319405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4319401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2159715 + 2159716.

It is an arithmetic number, because the mean of its divisors is an integer number (2159716).

Almost surely, 2^4319431 is an apocalyptic number.

4319431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4319431 is an equidigital number, since it uses as much as digits as its factorization.

4319431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 4319431 is about 2078.3240844488. The cubic root of 4319431 is about 162.8579062020.

The spelling of 4319431 in words is "four million, three hundred nineteen thousand, four hundred thirty-one".