431040133 has 2 divisors, whose sum is σ = 431040134. Its totient is φ = 431040132.

The previous prime is 431040131. The next prime is 431040139. The reversal of 431040133 is 331040134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418529764 + 12510369 = 20458^2 + 3537^2 .

It is a cyclic number.

It is not a de Polignac number, because 431040133 - 2¹ = 431040131 is a prime.

Together with 431040131, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 431040133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431040131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215520066 + 215520067.

It is an arithmetic number, because the mean of its divisors is an integer number (215520067).

Almost surely, 2^431040133 is an apocalyptic number.

It is an amenable number.

431040133 is a deficient number, since it is larger than the sum of its proper divisors (1).

431040133 is an equidigital number, since it uses as much as digits as its factorization.

431040133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 431040133 is about 20761.5060388210. The cubic root of 431040133 is about 755.3923274178.

Adding to 431040133 its reverse (331040134), we get a palindrome (762080267).

Subtracting from 431040133 its reverse (331040134), we obtain a palindrome (99999999).

The spelling of 431040133 in words is "four hundred thirty-one million, forty thousand, one hundred thirty-three".