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432315431 is a prime number
BaseRepresentation
bin11001110001001…
…001110000100111
31010010110220021122
4121301021300213
51341133043211
6110522004155
713466422562
oct3161116047
91103426248
10432315431
11202037a89
1210094665b
136b747462
14415b74d9
1527e486db
hex19c49c27

432315431 has 2 divisors, whose sum is σ = 432315432. Its totient is φ = 432315430.

The previous prime is 432315349. The next prime is 432315467. The reversal of 432315431 is 134513234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 432315431 - 214 = 432299047 is a prime.

It is a super-2 number, since 2×4323154312 = 373793263761431522, 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 432315431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432314431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216157715 + 216157716.

It is an arithmetic number, because the mean of its divisors is an integer number (216157716).

Almost surely, 2432315431 is an apocalyptic number.

432315431 is a deficient number, since it is larger than the sum of its proper divisors (1).

432315431 is an equidigital number, since it uses as much as digits as its factorization.

432315431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 432315431 is about 20792.1963967254. The cubic root of 432315431 is about 756.1365750615.

Adding to 432315431 its reverse (134513234), we get a palindrome (566828665).

The spelling of 432315431 in words is "four hundred thirty-two million, three hundred fifteen thousand, four hundred thirty-one".