431255343552133 has 2 divisors, whose sum is σ = 431255343552134. Its totient is φ = 431255343552132.

The previous prime is 431255343552107. The next prime is 431255343552151. The reversal of 431255343552133 is 331255343552134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288186545219364 + 143068798332769 = 16976058^2 + 11961137^2 .

It is a cyclic number.

It is not a de Polignac number, because 431255343552133 - 2⁹ = 431255343551621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431255343052133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215627671776066 + 215627671776067.

It is an arithmetic number, because the mean of its divisors is an integer number (215627671776067).

Almost surely, 2^{431255343552133} is an apocalyptic number.

It is an amenable number.

431255343552133 is a deficient number, since it is larger than the sum of its proper divisors (1).

431255343552133 is an equidigital number, since it uses as much as digits as its factorization.

431255343552133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720000, while the sum is 49.

Subtracting from 431255343552133 its reverse (331255343552134), we obtain a palindrome (99999999999999).

The spelling of 431255343552133 in words is "four hundred thirty-one trillion, two hundred fifty-five billion, three hundred forty-three million, five hundred fifty-two thousand, one hundred thirty-three".