420431000043211 has 4 divisors (see below), whose sum is σ = 420431065834032. Its totient is φ = 420430934252392.

The previous prime is 420431000043209. The next prime is 420431000043289. The reversal of 420431000043211 is 112340000134024.

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 420431000043211 - 2¹ = 420431000043209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420431000041211) 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, 22136920 + ... + 36481573.

It is an arithmetic number, because the mean of its divisors is an integer number (105107766458508).

Almost surely, 2^{420431000043211} is an apocalyptic number.

420431000043211 is a deficient number, since it is larger than the sum of its proper divisors (65790821).

420431000043211 is an equidigital number, since it uses as much as digits as its factorization.

420431000043211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65790820.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 420431000043211 its reverse (112340000134024), we get a palindrome (532771000177235).

The spelling of 420431000043211 in words is "four hundred twenty trillion, four hundred thirty-one billion, forty-three thousand, two hundred eleven".