431121134211 has 4 divisors (see below), whose sum is σ = 574828178952. Its totient is φ = 287414089472.

The previous prime is 431121134177. The next prime is 431121134231. The reversal of 431121134211 is 112431121134.

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

It is a cyclic number.

It is not a de Polignac number, because 431121134211 - 2⁷ = 431121134083 is a prime.

It is a super-3 number, since 3×431121134211³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (431121134231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71853522366 + ... + 71853522371.

It is an arithmetic number, because the mean of its divisors is an integer number (143707044738).

Almost surely, 2^431121134211 is an apocalyptic number.

431121134211 is a deficient number, since it is larger than the sum of its proper divisors (143707044741).

431121134211 is a wasteful number, since it uses less digits than its factorization.

431121134211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143707044740.

The product of its digits is 576, while the sum is 24.

Adding to 431121134211 its reverse (112431121134), we get a palindrome (543552255345).

The spelling of 431121134211 in words is "four hundred thirty-one billion, one hundred twenty-one million, one hundred thirty-four thousand, two hundred eleven".