214442213431 has 4 divisors (see below), whose sum is σ = 223765787952. Its totient is φ = 205118638912.

The previous prime is 214442213429. The next prime is 214442213437. The reversal of 214442213431 is 134312244412.

It is a happy number.

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 214442213431 - 2¹ = 214442213429 is a prime.

It is a super-2 number, since 2×214442213431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214442213393 and 214442213402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214442213437) 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 in 3 ways as a sum of consecutive naturals, for example, 4661787226 + ... + 4661787271.

It is an arithmetic number, because the mean of its divisors is an integer number (55941446988).

Almost surely, 2^214442213431 is an apocalyptic number.

214442213431 is a deficient number, since it is larger than the sum of its proper divisors (9323574521).

214442213431 is an equidigital number, since it uses as much as digits as its factorization.

214442213431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323574520.

The product of its digits is 18432, while the sum is 31.

Adding to 214442213431 its reverse (134312244412), we get a palindrome (348754457843).

The spelling of 214442213431 in words is "two hundred fourteen billion, four hundred forty-two million, two hundred thirteen thousand, four hundred thirty-one".