431378329241 has 4 divisors (see below), whose sum is σ = 431390629584. Its totient is φ = 431366028900.

The previous prime is 431378329219. The next prime is 431378329243. The reversal of 431378329241 is 142923873134.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431378329241 - 2²⁶ = 431311220377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (431378329243) 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, 6097415 + ... + 6167756.

It is an arithmetic number, because the mean of its divisors is an integer number (107847657396).

Almost surely, 2^431378329241 is an apocalyptic number.

It is an amenable number.

431378329241 is a deficient number, since it is larger than the sum of its proper divisors (12300343).

431378329241 is a wasteful number, since it uses less digits than its factorization.

431378329241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12300342.

The product of its digits is 870912, while the sum is 47.

The spelling of 431378329241 in words is "four hundred thirty-one billion, three hundred seventy-eight million, three hundred twenty-nine thousand, two hundred forty-one".