431280381271 has 4 divisors (see below), whose sum is σ = 431349625000. Its totient is φ = 431211137544.

The previous prime is 431280381211. The next prime is 431280381299. The reversal of 431280381271 is 172183082134.

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 431280381271 - 2⁷ = 431280381143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431280381211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34612521 + ... + 34624978.

It is an arithmetic number, because the mean of its divisors is an integer number (107837406250).

Almost surely, 2^431280381271 is an apocalyptic number.

431280381271 is a deficient number, since it is larger than the sum of its proper divisors (69243729).

431280381271 is an equidigital number, since it uses as much as digits as its factorization.

431280381271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69243728.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 431280381271 in words is "four hundred thirty-one billion, two hundred eighty million, three hundred eighty-one thousand, two hundred seventy-one".