431121450140051 has 16 divisors (see below), whose sum is σ = 477347526304128. Its totient is φ = 386067910166400.

The previous prime is 431121450140047. The next prime is 431121450140093. The reversal of 431121450140051 is 150041054121134.

It is not a de Polignac number, because 431121450140051 - 2² = 431121450140047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431121450140011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17604971 + ... + 34237083.

It is an arithmetic number, because the mean of its divisors is an integer number (29834220394008).

Almost surely, 2^{431121450140051} is an apocalyptic number.

431121450140051 is a deficient number, since it is larger than the sum of its proper divisors (46226076164077).

431121450140051 is a wasteful number, since it uses less digits than its factorization.

431121450140051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16667362.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 431121450140051 in words is "four hundred thirty-one trillion, one hundred twenty-one billion, four hundred fifty million, one hundred forty thousand, fifty-one".