214542220220431 has 2 divisors, whose sum is σ = 214542220220432. Its totient is φ = 214542220220430.

The previous prime is 214542220220411. The next prime is 214542220220443. The reversal of 214542220220431 is 134022022245412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214542220220431 - 2⁹ = 214542220219919 is a prime.

It is a super-2 number, since 2×214542220220431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214542220220411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107271110110215 + 107271110110216.

It is an arithmetic number, because the mean of its divisors is an integer number (107271110110216).

Almost surely, 2^{214542220220431} is an apocalyptic number.

214542220220431 is a deficient number, since it is larger than the sum of its proper divisors (1).

214542220220431 is an equidigital number, since it uses as much as digits as its factorization.

214542220220431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 214542220220431 its reverse (134022022245412), we get a palindrome (348564242465843).

The spelling of 214542220220431 in words is "two hundred fourteen trillion, five hundred forty-two billion, two hundred twenty million, two hundred twenty thousand, four hundred thirty-one".