431232312211 has 2 divisors, whose sum is σ = 431232312212. Its totient is φ = 431232312210.

The previous prime is 431232312169. The next prime is 431232312221. The reversal of 431232312211 is 112213232134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431232312211 - 2¹⁷ = 431232181139 is a prime.

It is a super-2 number, since 2×431232312211² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (431232312221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215616156105 + 215616156106.

It is an arithmetic number, because the mean of its divisors is an integer number (215616156106).

Almost surely, 2^431232312211 is an apocalyptic number.

431232312211 is a deficient number, since it is larger than the sum of its proper divisors (1).

431232312211 is an equidigital number, since it uses as much as digits as its factorization.

431232312211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

Adding to 431232312211 its reverse (112213232134), we get a palindrome (543445544345).

The spelling of 431232312211 in words is "four hundred thirty-one billion, two hundred thirty-two million, three hundred twelve thousand, two hundred eleven".