431423413 has 2 divisors, whose sum is σ = 431423414. Its totient is φ = 431423412.

The previous prime is 431423411. The next prime is 431423423. The reversal of 431423413 is 314324134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423454084 + 7969329 = 20578^2 + 2823^2 .

It is a cyclic number.

It is not a de Polignac number, because 431423413 - 2¹ = 431423411 is a prime.

It is a super-2 number, since 2×431423413² = 372252322569137138, which contains 22 as substring.

Together with 431423411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431423411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215711706 + 215711707.

It is an arithmetic number, because the mean of its divisors is an integer number (215711707).

Almost surely, 2^431423413 is an apocalyptic number.

It is an amenable number.

431423413 is a deficient number, since it is larger than the sum of its proper divisors (1).

431423413 is an equidigital number, since it uses as much as digits as its factorization.

431423413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 431423413 is about 20770.7345320285. The cubic root of 431423413 is about 755.6161588555.

Adding to 431423413 its reverse (314324134), we get a palindrome (745747547).

The spelling of 431423413 in words is "four hundred thirty-one million, four hundred twenty-three thousand, four hundred thirteen".