431043866041 has 4 divisors (see below), whose sum is σ = 431123238784. Its totient is φ = 430964493300.

The previous prime is 431043865991. The next prime is 431043866059. The reversal of 431043866041 is 140668340134.

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 431043866041 - 2⁷ = 431043865913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431043865985 and 431043866003.

It is not an unprimeable number, because it can be changed into a prime (431043866641) 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, 39678225 + ... + 39689086.

It is an arithmetic number, because the mean of its divisors is an integer number (107780809696).

Almost surely, 2^431043866041 is an apocalyptic number.

It is an amenable number.

431043866041 is a deficient number, since it is larger than the sum of its proper divisors (79372743).

431043866041 is an equidigital number, since it uses as much as digits as its factorization.

431043866041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79372742.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 431043866041 in words is "four hundred thirty-one billion, forty-three million, eight hundred sixty-six thousand, forty-one".