431033221033 has 4 divisors (see below), whose sum is σ = 431035954180. Its totient is φ = 431030487888.

The previous prime is 431033221009. The next prime is 431033221037. The reversal of 431033221033 is 330122330134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 332683243369 + 98349977664 = 576787^2 + 313608^2 .

It is a cyclic number.

It is not a de Polignac number, because 431033221033 - 2⁹ = 431033220521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431033220989 and 431033221007.

It is not an unprimeable number, because it can be changed into a prime (431033221037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114518 + ... + 1450591.

It is an arithmetic number, because the mean of its divisors is an integer number (107758988545).

Almost surely, 2^431033221033 is an apocalyptic number.

It is an amenable number.

431033221033 is a deficient number, since it is larger than the sum of its proper divisors (2733147).

431033221033 is a wasteful number, since it uses less digits than its factorization.

431033221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733146.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 431033221033 its reverse (330122330134), we get a palindrome (761155551167).

The spelling of 431033221033 in words is "four hundred thirty-one billion, thirty-three million, two hundred twenty-one thousand, thirty-three".