214231431443111 has 2 divisors, whose sum is σ = 214231431443112. Its totient is φ = 214231431443110.

The previous prime is 214231431443059. The next prime is 214231431443179. The reversal of 214231431443111 is 111344134132412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214231431443111 - 2⁴² = 209833384932007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214231431443011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107115715721555 + 107115715721556.

It is an arithmetic number, because the mean of its divisors is an integer number (107115715721556).

Almost surely, 2^{214231431443111} is an apocalyptic number.

214231431443111 is a deficient number, since it is larger than the sum of its proper divisors (1).

214231431443111 is an equidigital number, since it uses as much as digits as its factorization.

214231431443111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

Adding to 214231431443111 its reverse (111344134132412), we get a palindrome (325575565575523).

The spelling of 214231431443111 in words is "two hundred fourteen trillion, two hundred thirty-one billion, four hundred thirty-one million, four hundred forty-three thousand, one hundred eleven".