214244431331431 has 2 divisors, whose sum is σ = 214244431331432. Its totient is φ = 214244431331430.

The previous prime is 214244431331423. The next prime is 214244431331507. The reversal of 214244431331431 is 134133134442412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214244431331431 - 2³ = 214244431331423 is a prime.

It is a super-2 number, since 2×214244431331431² (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 (214244435331431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107122215665715 + 107122215665716.

It is an arithmetic number, because the mean of its divisors is an integer number (107122215665716).

Almost surely, 2^{214244431331431} is an apocalyptic number.

214244431331431 is a deficient number, since it is larger than the sum of its proper divisors (1).

214244431331431 is an equidigital number, since it uses as much as digits as its factorization.

214244431331431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 40.

Adding to 214244431331431 its reverse (134133134442412), we get a palindrome (348377565773843).

The spelling of 214244431331431 in words is "two hundred fourteen trillion, two hundred forty-four billion, four hundred thirty-one million, three hundred thirty-one thousand, four hundred thirty-one".