431414231 has 2 divisors, whose sum is σ = 431414232. Its totient is φ = 431414230.

The previous prime is 431414189. The next prime is 431414267. The reversal of 431414231 is 132414134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431414231 - 2²² = 427219927 is a prime.

It is a super-2 number, since 2×431414231² = 372236477418642722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 431414197 and 431414206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431414281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215707115 + 215707116.

It is an arithmetic number, because the mean of its divisors is an integer number (215707116).

Almost surely, 2^431414231 is an apocalyptic number.

431414231 is a deficient number, since it is larger than the sum of its proper divisors (1).

431414231 is an equidigital number, since it uses as much as digits as its factorization.

431414231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 431414231 is about 20770.5134987077. The cubic root of 431414231 is about 755.6107982156.

Adding to 431414231 its reverse (132414134), we get a palindrome (563828365).

The spelling of 431414231 in words is "four hundred thirty-one million, four hundred fourteen thousand, two hundred thirty-one".